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Tap water quality report

Santos Ranch Pws #5-csa #35

EPA monitoring tested this supplier for 44 contaminants and detected 9. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

44
contaminants tested
9
detected
320
people served
0
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
Ground water
Ownership
Local government
Counties served
San Joaquin

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

0
health-based violations
1
violations on file
0
still open
ViolationTypeStatusPeriod
Other Monitoring Resolved 2002-07-01

Other contaminants detected

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.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
1900 µg/L 19%
of the EPA limit 10000 µg/L
 34/34 SYR4 2012–2019
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 7/7 LCR 2024
Arsenic
5 µg/L 50%
of the EPA limit 10 µg/L
 4/4 SYR4 2014–2017
Fluoride
200 µg/L 5%
of the EPA limit 4000 µg/L
 4/6 SYR4 2012–2018
Selenium
8 µg/L 16%
of the EPA limit 50 µg/L
 4/4 SYR4 2014–2017
Barium
30.5 µg/L 1.5%
of the EPA limit 2000 µg/L
 2/4 SYR4 2014–2017
Nitrate-Nitrite
1800 µg/L 18%
of the EPA limit 10000 µg/L
 2/2 SYR4 2017–2018
Chromium
1 µg/L 1%
of the EPA limit 100 µg/L
 1/4 SYR4 2014–2017
Mercury
0.0200 µg/L 1%
of the EPA limit 2 µg/L
 1/4 SYR4 2014–2017
35 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalBenzeneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCopperCadmiumCarbon TetrachlorideChloroformDichloromethaneDibromochloromethaneEthylene DibromideEthylbenzeneLeadNitriteStyreneTTHMTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
MAINTENANCE DIST, SJC UTILITIES
Phone
209-468-3090
Email
cirons@sjgov.org

Frequently asked questions about Santos Ranch Pws #5-csa #35

Is Santos Ranch Pws #5-csa #35 tap water safe to drink?

EPA monitoring detected 9 contaminants in Santos Ranch Pws #5-csa #35's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Santos Ranch Pws #5-csa #35's water?

EPA monitoring detected Nitrate, Lead, Arsenic, Fluoride, Selenium, and others. The full list with the level and data source for each is above.

How many people does Santos Ranch Pws #5-csa #35 serve?

Santos Ranch Pws #5-csa #35 reports serving 320 people in California, per its EPA record.

Has Santos Ranch Pws #5-csa #35 had any water quality violations?

The EPA has 1 violation on file for Santos Ranch Pws #5-csa #35, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

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.