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Tap water quality report

Somerset, CA

EPA monitoring detected 5 contaminants across the 1 water supplier serving Somerset. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier for each below, with its EPA source and period.

1
water supplier
75
people served
5
contaminants found
California rankings Lead in California PFAS in California

What was found in Somerset's water

The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
4500 µg/L 45%
of the EPA limit 10000 µg/L
Main supplier: CANDLELIGHT VILLAGE MUTUAL WATER CO. · 75 people · 2019
1/1 SYR4
Nitrate-Nitrite
4290 µg/L 43%
of the EPA limit 10000 µg/L
Main supplier: CANDLELIGHT VILLAGE MUTUAL WATER CO. · 75 people · 2018
1/1 SYR4
Barium
28.85 µg/L 1.4%
of the EPA limit 2000 µg/L
Main supplier: CANDLELIGHT VILLAGE MUTUAL WATER CO. · 75 people · 2018
1/1 SYR4
Lead
3.8 µg/L 25%
of the EPA limit 15 µg/L
Main supplier: CANDLELIGHT VILLAGE MUTUAL WATER CO. · 75 people · 2018
1/1 SYR4
Lead
0.0120 mg/L 80%
of the EPA limit 0.0150 mg/L
Main supplier: CANDLELIGHT VILLAGE MUTUAL WATER CO. · 75 people · 2024
1/1 LCR
Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Somerset

SupplierPopulation served
CANDLELIGHT VILLAGE MUTUAL WATER CO. 75

Frequently asked questions about Somerset tap water

Is Somerset tap water safe to drink?

EPA testing detected 5 contaminants in the water serving Somerset. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Somerset?

1 public water supplier report drinking-water monitoring for Somerset, California to the EPA. Each is listed above with its population served.

What contaminants are in Somerset's water?

The contaminants EPA monitoring detected in Somerset include Nitrate, Nitrate-Nitrite, Barium, Lead, Lead. The full list, with the level at the main supplier and the data source, is in the table above.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.