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Tap water quality report

San Jacinto, CA

EPA monitoring detected 22 contaminants across the 3 water suppliers serving San Jacinto. A detection doesn't automatically mean the water is unsafe — see the highest level found for each below, with its EPA source and period.

3
water suppliers
22,450
people served
22
contaminants found
California rankings Lead in California PFAS in California

What was found in San Jacinto's water

The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Fluoride
6200 µg/L 155%
of the EPA limit, in the worst sample — 4000 µg/L
 3/3 SYR4
Nitrate
2300 µg/L 23%
of the EPA limit 10000 µg/L
 2/3 SYR4
Barium
190 µg/L 9.5%
of the EPA limit 2000 µg/L
 3/3 SYR4
TTHM
91 µg/L 114%
of the EPA limit, in the worst sample — 80 µg/L
 3/3 SYR4
Total Haloacetic Acids (HAA5)
71 µg/L 118%
of the EPA limit, in the worst sample — 60 µg/L
 3/3 SYR4
Chloroform
53 µg/L
No EPA limit set
 2/3 SYR4
Trichloroacetic Acid
39 µg/L
No EPA limit set
 2/3 SYR4
Selenium
36 µg/L 72%
of the EPA limit 50 µg/L
 1/3 SYR4
Bromodichloromethane
25 µg/L
No EPA limit set
 1/3 SYR4
Dichloroacetic Acid
23 µg/L
No EPA limit set
 2/3 SYR4
Monochloroacetic Acid
23 µg/L
No EPA limit set
 1/3 SYR4
Dibromochloromethane
12 µg/L
No EPA limit set
 1/3 SYR4
Bromoform
11 µg/L
No EPA limit set
 1/3 SYR4
Gross Alpha, Excl. Radon And U
5.518 pCi/L 37%
of the EPA limit 15 pCi/L
 1/3 SYR4
Combined Uranium
5 µg/L 17%
of the EPA limit 30 µg/L
 2/3 SYR4
Dibromoacetic Acid
5 µg/L
No EPA limit set
 1/3 SYR4
Monobromoacetic Acid
4.1 µg/L
No EPA limit set
 1/3 SYR4
Combined Radium (-226 And -228)
2.849 pCi/L 57%
of the EPA limit 5 pCi/L
 1/3 SYR4
Chromium
2.7 µg/L 2.7%
of the EPA limit 100 µg/L
 1/3 SYR4
Dichloromethane
0.5900 µg/L 12%
of the EPA limit 5 µg/L
 1/3 SYR4
Benzo(A)Pyrene
0.1000 µg/L 50%
of the EPA limit 0.2000 µg/L
 1/3 SYR4
Lead
0.0053 mg/L 35%
of the EPA limit 0.0150 mg/L
 3/3 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 single worst sample on record — 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 San Jacinto

SupplierPopulation served
SAN JACINTO, CITY OF 18,950
Soboba 3,000
GOLDEN ERA PRODUCTIONS 500

Frequently asked questions about San Jacinto tap water

Is San Jacinto tap water safe to drink?

EPA testing detected 22 contaminants in the water serving San Jacinto. 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 San Jacinto?

3 public water suppliers report drinking-water monitoring for San Jacinto, California to the EPA. Each is listed above with its population served.

What contaminants are in San Jacinto's water?

The contaminants EPA monitoring detected in San Jacinto include Fluoride, Nitrate, Barium, TTHM, Total Haloacetic Acids (HAA5). The full list, with the highest level found 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.