City of Sunnyvale (CA) Water Quality

City of Sunnyvale is a large public water system in EPA region 09 that provides tap water for the 94085 - 94087 zip codes. It has 16 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.

Contaminants

1-butanol

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 Sunnyvale showed levels of 1-butanol that were below unsafe concentration levels. The maximum reported value was 2.3 µg/L. Learn more about 1-butanol.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<2.0 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<2.0 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<2.0 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<2.0 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<2.0 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<2.0 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<2.0 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
11/14/2018
75 months ago
2.3 µg/L
Meets Reporting Threshold

2-methoxyethanol

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 Sunnyvale showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.4 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
11/14/2018
75 months ago
<0.4 µg/L
Below Reporting Level

2-propen-1-ol (Allyl Alcohol)

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 Sunnyvale showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.5 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.5 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.5 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.5 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.5 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.5 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.5 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
11/14/2018
75 months ago
<0.5 µg/L
Below Reporting Level

HAA5 (five regulated haloacetic acids)

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 Sunnyvale showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 30 µg/L. Learn more about HAA5 (five regulated haloacetic acids).

30µg/L
Stage 2 DBPR Site
#2 - Duane & Lawrence
11/14/2018
75 months ago
30 µg/L
Meets Reporting Threshold
Stage 2 DBPR Site
#7 - Fair Oaks
11/14/2018
75 months ago
29 µg/L
Meets Reporting Threshold
Stage 2 DBPR Site
#20 - Waxwing & Lochinvar
11/14/2018
75 months ago
14.57 µg/L
Meets Reporting Threshold
Stage 2 DBPR Site
#29 - 814 Quetta Ave
11/14/2018
75 months ago
14.01 µg/L
Meets Reporting Threshold
Stage 2 DBPR Site
#31 - Fremont & Mary
11/14/2018
75 months ago
14.12 µg/L
Meets Reporting Threshold
Stage 2 DBPR Site
#35 - Wright & Lasalle
11/14/2018
75 months ago
14.07 µg/L
Meets Reporting Threshold
Stage 2 DBPR Site
#39 - 1379 Bedford Ave.
11/14/2018
75 months ago
14.26 µg/L
Meets Reporting Threshold
Stage 2 DBPR Site
#46 - Sunset & Washington
11/14/2018
75 months ago
24.6 µg/L
Meets Reporting Threshold

HAA6Br (six brominated haloacetic acids)

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).

Stage 2 DBPR Site
#2 - Duane & Lawrence
11/14/2018
75 months ago
.65 µg/L
Stage 2 DBPR Site
#7 - Fair Oaks
11/14/2018
75 months ago
1.32 µg/L
Stage 2 DBPR Site
#20 - Waxwing & Lochinvar
11/14/2018
75 months ago
27.37 µg/L
Stage 2 DBPR Site
#29 - 814 Quetta Ave
11/14/2018
75 months ago
27.71 µg/L
Stage 2 DBPR Site
#31 - Fremont & Mary
11/14/2018
75 months ago
27.32 µg/L
Stage 2 DBPR Site
#35 - Wright & Lasalle
11/14/2018
75 months ago
26.97 µg/L
Stage 2 DBPR Site
#39 - 1379 Bedford Ave.
11/14/2018
75 months ago
30.26 µg/L
Stage 2 DBPR Site
#46 - Sunset & Washington
11/14/2018
75 months ago
6.6 µg/L

HAA9 (nine haloacetic acids)

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).

Stage 2 DBPR Site
#2 - Duane & Lawrence
11/14/2018
75 months ago
30.65 µg/L
Stage 2 DBPR Site
#7 - Fair Oaks
11/14/2018
75 months ago
30.32 µg/L
Stage 2 DBPR Site
#20 - Waxwing & Lochinvar
11/14/2018
75 months ago
33.57 µg/L
Stage 2 DBPR Site
#29 - 814 Quetta Ave
11/14/2018
75 months ago
33.81 µg/L
Stage 2 DBPR Site
#31 - Fremont & Mary
11/14/2018
75 months ago
33.62 µg/L
Stage 2 DBPR Site
#35 - Wright & Lasalle
11/14/2018
75 months ago
33.67 µg/L
Stage 2 DBPR Site
#39 - 1379 Bedford Ave.
11/14/2018
75 months ago
36.66 µg/L
Stage 2 DBPR Site
#46 - Sunset & Washington
11/14/2018
75 months ago
29.6 µg/L

alpha-hexachlorocyclohexane

alpha-hexachlorocyclohexane is a chemical contaminant that has a reference level of 0.006 µg/L. The only recent water sample for City of Sunnyvale showed levels of alpha-hexachlorocyclohexane that were at or above unsafe concentration levels. The maximum reported value was 0.016 µg/L. Learn more about alpha-hexachlorocyclohexane.

0.006µg/L
0.016µg/L
Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.01 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.01 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.01 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.01 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.01 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.01 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.01 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
.016 µg/L
☠️ Exceeds Reference Level by 0.01 µg/L

anatoxin-a

anatoxin-a is a chemical contaminant that is a potential threat to human health. Learn more about anatoxin-a.

SFPUC Turnout @ Fair Oaks
SFPUC Intertie
8/29/2018
78 months ago
<0.03 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
8/29/2018
78 months ago
<0.03 µg/L
Below Reporting Level

Butylated Hydroxyanisole

Butylated Hydroxyanisole is a chemical contaminant that is a potential threat to human health. Learn more about Butylated Hydroxyanisole.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.03 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
11/14/2018
75 months ago
<0.03 µg/L
Below Reporting Level

chlorpyrifos

chlorpyrifos is a chemical contaminant that has a reference level of 2 µg/L. All the latest water samples for City of Sunnyvale showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.03 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
<0.03 µg/L
Below Reporting Level

cylindrospermopsin

cylindrospermopsin is a chemical contaminant that has a reference level of 0.7 µg/L. All the latest water samples for City of Sunnyvale showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.

SFPUC Turnout @ Fair Oaks
SFPUC Intertie
8/29/2018
78 months ago
<0.09 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
8/29/2018
78 months ago
<0.09 µg/L
Below Reporting Level

dimethipin

dimethipin is a chemical contaminant that has a reference level of 140 µg/L. All the latest water samples for City of Sunnyvale showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.2 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
<0.2 µg/L
Below Reporting Level

ethoprop

ethoprop is a chemical contaminant that has a reference level of 1.14 µg/L. All the latest water samples for City of Sunnyvale showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.03 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
<0.03 µg/L
Below Reporting Level

Germanium

Germanium is a chemical contaminant that is a potential threat to human health. Learn more about Germanium.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.3 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
11/14/2018
75 months ago
<0.3 µg/L
Below Reporting Level

Manganese

Manganese is a chemical contaminant that has a reference level of 300 µg/L. All the latest water samples for City of Sunnyvale showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 4.8 µg/L. Learn more about Manganese.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
.44 µg/L
Meets Reporting Threshold
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
.63 µg/L
Meets Reporting Threshold
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.4 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
4.8 µg/L
Meets Reporting Threshold
SCVWD Turnout @ Wright Ave
SCVWD Intertie
11/14/2018
75 months ago
<0.4 µg/L
Below Reporting Level

o-toluidine

o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.007 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.007 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.007 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.007 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.007 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.007 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.007 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
11/14/2018
75 months ago
<0.007 µg/L
Below Reporting Level

oxyfluorfen

oxyfluorfen is a chemical contaminant that has a reference level of 200 µg/L. All the latest water samples for City of Sunnyvale showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.05 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.05 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.05 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.05 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.05 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.05 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.05 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
<0.05 µg/L
Below Reporting Level

profenofos

profenofos is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Sunnyvale showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.3 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.3 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
<0.3 µg/L
Below Reporting Level

quinoline

quinoline is a chemical contaminant that has a reference level of 0.01 µg/L. All the latest water samples for City of Sunnyvale showed levels of quinoline that were below unsafe concentration levels. Learn more about quinoline.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.02 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.02 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.02 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.02 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.02 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.02 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.02 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
11/14/2018
75 months ago
<0.02 µg/L
Below Reporting Level

tebuconazole

tebuconazole is a chemical contaminant that has a reference level of 190 µg/L. All the latest water samples for City of Sunnyvale showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.2 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.2 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
<0.2 µg/L
Below Reporting Level

Total Microcystin

Total Microcystin is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Sunnyvale showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.

SFPUC Turnout @ Fair Oaks
SFPUC Intertie
8/29/2018
78 months ago
<0.3 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
8/29/2018
78 months ago
<0.3 µg/L
Below Reporting Level

Total Permethrin

Total Permethrin is a chemical contaminant that has a reference level of 3.344 µg/L. All the latest water samples for City of Sunnyvale showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.04 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.04 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.04 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.04 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.04 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.04 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.04 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
<0.04 µg/L
Below Reporting Level

tribufos

tribufos is a chemical contaminant that has a reference level of 0.6 µg/L. All the latest water samples for City of Sunnyvale showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.

Entry Point to Dist. System
Hamilton Well 2
8/15/2018
79 months ago
<0.07 µg/L
Below Reporting Level
Entry Point to Dist. System
Hamilton Well 3
8/15/2018
79 months ago
<0.07 µg/L
Below Reporting Level
Entry Point to Dist. System
Ortega Well
8/15/2018
79 months ago
<0.07 µg/L
Below Reporting Level
Entry Point to Dist. System
Raynor Well
8/15/2018
79 months ago
<0.07 µg/L
Below Reporting Level
Entry Point to Dist. System
Serra Well
8/15/2018
79 months ago
<0.07 µg/L
Below Reporting Level
Entry Point to Dist. System
Westmoor Well
8/15/2018
79 months ago
<0.07 µg/L
Below Reporting Level
SFPUC Turnout @ Fair Oaks
SFPUC Intertie
11/14/2018
75 months ago
<0.07 µg/L
Below Reporting Level
SCVWD Turnout @ Wright Ave
SCVWD Intertie
12/18/2018
74 months ago
<0.07 µg/L
Below Reporting Level

Sampling Facilities

Facility NameWater Type/Source
#2 - Duane & LawrenceSurface Water (SW)
#7 - Fair OaksSurface Water (SW)
#20 - Waxwing & LochinvarMultiple sources (MX)
#29 - 814 Quetta AveMultiple sources (MX)
#31 - Fremont & MaryMultiple sources (MX)
#35 - Wright & LasalleMultiple sources (MX)
#39 - 1379 Bedford Ave.Multiple sources (MX)
#46 - Sunset & WashingtonSurface Water (SW)
Hamilton Well 2Ground Water (GW)
Hamilton Well 3Ground Water (GW)
Ortega WellGround Water (GW)
Raynor WellGround Water (GW)
Serra WellGround Water (GW)
Westmoor WellGround Water (GW)
SFPUC IntertieSurface Water (SW)
SCVWD IntertieSurface Water (SW)

FAQ

Is City of Sunnyvale tap water safe to drink?

When was City of Sunnyvale last tested for water contamination?

The latest water samples were taken between August 15th, 2018 and December 18th, 2018.