Is City of San Jose - Evg/Edv/Coy Tap Water Safe? Quality Report

Water source: SWP
Ownership: Local government
Counties served: Santa Clara

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.

health-based violations

violations on file

still open

Violation	Type	Status	Period
MCL	Health-based	Resolved	2012-05-01 → 2012-05-31
MCL	Health-based	Resolved	2012-05-01 → 2012-05-31
MCL	Health-based	Resolved	2010-10-01 → 2010-10-31
MCL	Health-based	Resolved	1994-07-01 → 1994-07-31
MCL	Health-based	Resolved	1994-07-01 → 1994-07-31

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 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.

Contaminant	Level vs EPA limit	Detection rate	Source	Period
Bromodichloromethane	12.4495 µg/L No EPA limit set worst single sample: 14.77 µg/L	250/250	SYR4	2012–2019
Chloroform	15.974 µg/L No EPA limit set worst single sample: 22.76 µg/L	250/250	SYR4	2012–2019
TTHM	53.4495 µg/L 67% of the EPA limit 80 µg/L worst single sample: 75.38 µg/L	250/250	SYR4	2012–2019
Dibromochloromethane	20.152 µg/L No EPA limit set worst single sample: 28.97 µg/L	249/250	SYR4	2012–2019
Bromoform	24.33 µg/L No EPA limit set worst single sample: 38.93 µg/L	241/250	SYR4	2012–2019
Total Haloacetic Acids (HAA5)	13.56 µg/L 23% of the EPA limit 60 µg/L worst single sample: 23.7 µg/L	223/250	SYR4	2012–2019
Dibromoacetic Acid	8.065 µg/L No EPA limit set worst single sample: 12.1 µg/L	208/250	SYR4	2012–2019
Dichloroacetic Acid	6.68 µg/L No EPA limit set worst single sample: 9 µg/L	143/250	SYR4	2012–2019
Nitrate	3470 µg/L 35% of the EPA limit 10000 µg/L worst single sample: 4400 µg/L	114/138	SYR4	2012–2019
Trichloroacetic Acid	5.9 µg/L No EPA limit set worst single sample: 14.7 µg/L	53/250	SYR4	2012–2019
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	26/26	LCR	2024
Fluoride	209 µg/L 5.2% of the EPA limit 4000 µg/L worst single sample: 290 µg/L	23/23	SYR4	2013–2019
Barium	163.5 µg/L 8.2% of the EPA limit 2000 µg/L worst single sample: 170 µg/L	14/23	SYR4	2013–2019
Nitrate-Nitrite	2900 µg/L 29% of the EPA limit 10000 µg/L	12/16	SYR4	2013–2019
Monobromoacetic Acid	2.22 µg/L No EPA limit set worst single sample: 2.7 µg/L	9/250	SYR4	2012–2019
1,1,1-Trichloroethane	1.067 µg/L 0.5% of the EPA limit 200 µg/L worst single sample: 1.2 µg/L	8/35	SYR4	2014–2019
Lithium	14 µg/L No EPA limit set	5/10	UCMR-5	2023
Arsenic	2.1 µg/L 21% of the EPA limit 10 µg/L	1/23	SYR4	2013–2019
Chromium	13 µg/L 13% of the EPA limit 100 µg/L	1/23	SYR4	2013–2019
Combined Uranium	0.4381 µg/L 1.5% of the EPA limit 30 µg/L	1/7	SYR4	2014–2017
Gross Beta Particle Activity	0.1480 pCi/L No EPA limit set	1/1	SYR4	2017

91 contaminants tested, none detected

1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCopperCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoLeadMercuryMethoxychlorMonochloroacetic AcidNetfosaaNfdhaNmefosaaNitriteOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: TANG, JOHN
Phone: 408-277-3288
Email: [email protected]

Frequently asked questions about City of San Jose - Evg/Edv/Coy

Is City of San Jose - Evg/Edv/Coy tap water safe to drink?

EPA monitoring detected 21 contaminants in City of San Jose - Evg/Edv/Coy'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 City of San Jose - Evg/Edv/Coy's water?

EPA monitoring detected Bromodichloromethane, Chloroform, TTHM, Dibromochloromethane, Bromoform, and others. The full list with the level and data source for each is above.

How many people does City of San Jose - Evg/Edv/Coy serve?

City of San Jose - Evg/Edv/Coy reports serving 101,265 people in California, per its EPA record.

Has City of San Jose - Evg/Edv/Coy had any water quality violations?

The EPA has 5 violations on file for City of San Jose - Evg/Edv/Coy, of which 5 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.