Johnston Municipal Water Supply is a large public water system in EPA region 07 that provides tap water for the 50111 zip codes. It has 2 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 Johnston Municipal Water Supply showed levels of 1-butanol that were below unsafe concentration levels. Learn more about 1-butanol.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <2.0 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.4 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.5 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 10.9 µg/L. Learn more about HAA5 (five regulated haloacetic acids).
| 7390 NW Beaver Drive JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 7.63 µg/L Meets Reporting Threshold
|
|---|---|---|
| 6700 MERLE HAY ROAD JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 6.3 µg/L Meets Reporting Threshold
|
| 9500 WINDSOR PARKWAY JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 7.52 µg/L Meets Reporting Threshold
|
| 10010 NW 62ND AVENUE JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 10.9 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).
| 7390 NW Beaver Drive JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 3.11 µg/L |
|---|---|---|
| 6700 MERLE HAY ROAD JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 1.1 µg/L |
| 9500 WINDSOR PARKWAY JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 5.41 µg/L |
| 10010 NW 62ND AVENUE JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 6.78 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).
| 7390 NW Beaver Drive JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 10.31 µg/L |
|---|---|---|
| 6700 MERLE HAY ROAD JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 7.4 µg/L |
| 9500 WINDSOR PARKWAY JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 11.73 µg/L |
| 10010 NW 62ND AVENUE JOHNSTON DISTRIBUTION
| 5/29/2020 61 months ago
| 16.28 µg/L |
alpha-hexachlorocyclohexane is a chemical contaminant that has a reference level of 0.006 µg/L. All the latest water samples for Johnston Municipal Water Supply showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.01 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 11/17/2020 55 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 11/17/2020 55 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.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 11/17/2020 55 months ago
| <0.09 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 11/17/2020 55 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 Johnston Municipal Water Supply showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 2/4/2020 65 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 2/4/2020 65 months ago
| <0.3 µg/L Below Reporting Level
|
Manganese is a chemical contaminant that has a reference level of 300 µg/L. All the latest water samples for Johnston Municipal Water Supply showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 2.33 µg/L. Learn more about Manganese.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 2/4/2020 65 months ago
| <0.4 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 2/4/2020 65 months ago
| 2.33 µg/L Meets Reporting Threshold
|
o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.007 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 months ago
| .014 µg/L |
oxyfluorfen is a chemical contaminant that has a reference level of 200 µg/L. All the latest water samples for Johnston Municipal Water Supply showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.05 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.3 µg/L Below Reporting Level
|
quinoline is a chemical contaminant that has a reference level of 0.01 µg/L. The only recent water sample for Johnston Municipal Water Supply showed levels of quinoline that were at or above unsafe concentration levels. The maximum reported value was 0.19 µg/L. Learn more about quinoline.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| .19 µg/L ☠️ Exceeds Reference Level by 0.18 µg/L
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 11/17/2020 55 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 11/17/2020 55 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 Johnston Municipal Water Supply showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.04 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 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 Johnston Municipal Water Supply showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.
| 5200 MERLE HAY RD CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.07 µg/L Below Reporting Level
|
|---|---|---|
| 4620 NW 62ND AVE CITY OF JOHNSTON
| 5/27/2020 61 months ago
| <0.07 µg/L Below Reporting Level
|
| Facility Name | Water Type/Source |
|---|---|
| CITY OF JOHNSTON | Surface Water (SW) |
| JOHNSTON DISTRIBUTION | Surface Water (SW) |
The latest water samples were taken between February 4th, 2020 and November 17th, 2020.