City of Santa Ana is a large public water system in EPA region 09 that provides tap water for the 92643, 92701 - 92708, 92712, 92799, 92866 zip codes. It has 15 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.
1-butanol is a class of Alcohol that has a minimum reporting level of 2 µg/L and a reference level of 700 µg/L. All the latest water samples for City of Santa Ana showed levels of 1-butanol that were below unsafe concentration levels. Learn more about 1-butanol.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 12/12/2018 77 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <2.0 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 12/12/2018 77 months ago
| <2.0 µg/L Below Reporting Level
|
2-methoxyethanol is a class of Alcohol that has a minimum reporting level of 0.4 µg/L and a reference level of 21 µg/L. All the latest water samples for City of Santa Ana showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 12/12/2018 77 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 12/12/2018 77 months ago
| <0.4 µg/L Below Reporting Level
|
2-propen-1-ol (Allyl Alcohol) is a class of Alcohol that has a minimum reporting level of 0.5 µg/L and a reference level of 35 µg/L. All the latest water samples for City of Santa Ana showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 12/12/2018 77 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.5 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 12/12/2018 77 months ago
| <0.5 µg/L Below Reporting Level
|
HAA5 (five regulated haloacetic acids) are a class of Disinfection Byproducts that includes Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0.5 µg/L and a reference level of 60 µg/L. All the latest water samples for City of Santa Ana showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 6.024 µg/L. Learn more about HAA5 (five regulated haloacetic acids).
| DL-SA-MAYWOOD-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 5.915 µg/L Meets Reporting Threshold
|
|---|---|---|
| DL-SA-BRISTOL-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 3.88 µg/L Meets Reporting Threshold
|
| DL-SA-TOWNSEND-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 5.264 µg/L Meets Reporting Threshold
|
| DL-SA-10TH-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 6.024 µg/L Meets Reporting Threshold
|
| DL-SA-TUSTIN-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 5.379 µg/L Meets Reporting Threshold
|
| DL-SA-CONCORD-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 5.697 µg/L Meets Reporting Threshold
|
| DL-SA-CATALINA-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| .47 µg/L Meets Reporting Threshold
|
| DL-SA-5TH-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| .859 µg/L Meets Reporting Threshold
|
HAA6Br (six brominated haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Dibromoacetic Acid, Dibromochloroacetic Acid, Monobromoacetic Acid, Tribromoacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health. Learn more about HAA6Br (six brominated haloacetic acids).
| DL-SA-MAYWOOD-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 5.86 µg/L |
|---|---|---|
| DL-SA-BRISTOL-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 4.39 µg/L |
| DL-SA-TOWNSEND-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 5.51 µg/L |
| DL-SA-10TH-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 6.19 µg/L |
| DL-SA-TUSTIN-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 5.56 µg/L |
| DL-SA-CONCORD-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 6.01 µg/L |
| DL-SA-CATALINA-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| .47 µg/L |
| DL-SA-5TH-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| .4 µg/L |
HAA9 (nine haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Chlorodibromoacetic Acid, Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Tribromoacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health. Learn more about HAA9 (nine haloacetic acids).
| DL-SA-MAYWOOD-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 10.915 µg/L |
|---|---|---|
| DL-SA-BRISTOL-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 7.02 µg/L |
| DL-SA-TOWNSEND-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 9.954 µg/L |
| DL-SA-10TH-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 11.254 µg/L |
| DL-SA-TUSTIN-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 10.169 µg/L |
| DL-SA-CONCORD-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| 10.797 µg/L |
| DL-SA-CATALINA-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| .47 µg/L |
| DL-SA-5TH-01 Santa Ana Distribution System
| 5/12/2020 60 months ago
| .859 µg/L |
alpha-hexachlorocyclohexane is a chemical contaminant that has a reference level of 0.006 µg/L. All the latest water samples for City of Santa Ana showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.01 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.01 µg/L Below Reporting Level
|
anatoxin-a is a chemical contaminant that is a potential threat to human health. Learn more about anatoxin-a.
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.03 µg/L Below Reporting Level
|
Butylated Hydroxyanisole is a chemical contaminant that is a potential threat to human health. Learn more about Butylated Hydroxyanisole.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 9/30/2019 67 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 12/12/2018 77 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 12/12/2018 77 months ago
| <0.03 µg/L Below Reporting Level
|
chlorpyrifos is a chemical contaminant that has a reference level of 2 µg/L. All the latest water samples for City of Santa Ana showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.03 µg/L Below Reporting Level
|
cylindrospermopsin is a chemical contaminant that has a reference level of 0.7 µg/L. All the latest water samples for City of Santa Ana showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.09 µg/L Below Reporting Level
|
|---|---|---|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.09 µg/L Below Reporting Level
|
dimethipin is a chemical contaminant that has a reference level of 140 µg/L. All the latest water samples for City of Santa Ana showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.2 µg/L Below Reporting Level
|
ethoprop is a chemical contaminant that has a reference level of 1.14 µg/L. All the latest water samples for City of Santa Ana showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.03 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.03 µg/L Below Reporting Level
|
Germanium is a chemical contaminant that is a potential threat to human health. Learn more about Germanium.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 12/12/2018 77 months ago
| .36 µg/L |
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 12/12/2018 77 months ago
| .36 µg/L |
Manganese is a chemical contaminant that has a reference level of 300 µg/L. All the latest water samples for City of Santa Ana showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 2.71 µg/L. Learn more about Manganese.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| .404 µg/L Meets Reporting Threshold
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| .881 µg/L Meets Reporting Threshold
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| .471 µg/L Meets Reporting Threshold
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| .582 µg/L Meets Reporting Threshold
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| .477 µg/L Meets Reporting Threshold
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 12/12/2018 77 months ago
| 2.71 µg/L Meets Reporting Threshold
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.4 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 12/12/2018 77 months ago
| 1.965 µg/L Meets Reporting Threshold
|
o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 9/30/2019 67 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 12/12/2018 77 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.007 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 12/12/2018 77 months ago
| <0.007 µg/L Below Reporting Level
|
oxyfluorfen is a chemical contaminant that has a reference level of 200 µg/L. All the latest water samples for City of Santa Ana showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.05 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.05 µg/L Below Reporting Level
|
profenofos is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Santa Ana showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.3 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.3 µg/L Below Reporting Level
|
quinoline is a chemical contaminant that has a reference level of 0.01 µg/L. All the latest water samples for City of Santa Ana showed levels of quinoline that were below unsafe concentration levels. Learn more about quinoline.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 9/30/2019 67 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 12/12/2018 77 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.02 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 12/12/2018 77 months ago
| <0.02 µg/L Below Reporting Level
|
tebuconazole is a chemical contaminant that has a reference level of 190 µg/L. All the latest water samples for City of Santa Ana showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.2 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.2 µg/L Below Reporting Level
|
Total Microcystin is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Santa Ana showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.3 µg/L Below Reporting Level
|
Total Permethrin is a chemical contaminant that has a reference level of 3.344 µg/L. All the latest water samples for City of Santa Ana showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.04 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.04 µg/L Below Reporting Level
|
tribufos is a chemical contaminant that has a reference level of 0.6 µg/L. All the latest water samples for City of Santa Ana showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.
| EP #58 - EP-SA35-01 Well 35
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
|---|---|---|
| EP #56 - RES-SASOUTH-01 Well 34
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #53 - EP-SA31-01 Well 31
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #50 - EP-SA28-01 Well 28
| 8/13/2019 69 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #49 - RES-SACROOKE-01 Well 27
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #48 - RES-SAEAST-01 Well 26
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #45 - RES-SAWEST-01 Wells 20, 21 & 30
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #42 - EP-SA37-01 Well 37
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #41 - RES-SAWALNUT-01 Walnut Reservoir
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #40 - RES-SAGARTHE-01 Garthe (Bristol) Reservoir
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| IS-F6-01 MWD Intertie 3
| 6/26/2018 83 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #75 - EP-SA40-01 Well 40
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| EP #76 - EP-SA41-01 Well 41
| 2/11/2020 63 months ago
| <0.07 µg/L Below Reporting Level
|
| IS-DIEMER-PLANTEFF-01 MWD Intertie 1
| 6/26/2018 83 months ago
| <0.07 µg/L Below Reporting Level
|
| Facility Name | Water Type/Source |
|---|---|
| Well 35 | Ground Water (GW) |
| Well 34 | Ground Water (GW) |
| Well 31 | Ground Water (GW) |
| Well 28 | Ground Water (GW) |
| Well 27 | Ground Water (GW) |
| Well 26 | Ground Water (GW) |
| Wells 20, 21 & 30 | Ground Water (GW) |
| Well 37 | Ground Water (GW) |
| Walnut Reservoir | Ground Water (GW) |
| Garthe (Bristol) Reservoir | Ground Water (GW) |
| MWD Intertie 3 | Surface Water (SW) |
| Well 40 | Ground Water (GW) |
| Well 41 | Ground Water (GW) |
| MWD Intertie 1 | Surface Water (SW) |
| Santa Ana Distribution System | Multiple sources (MX) |
The latest water samples were taken between June 26th, 2018 and May 12th, 2020.