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Tap water quality report

Lake County Csa 2 - Spring Valley

EPA monitoring tested this supplier for 74 contaminants and detected 15. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

74
contaminants tested
15
detected
1,531
people served
19
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
Surface water
Ownership
Local government
Counties served
Lake

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.

19
health-based violations
22
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2010-01-01 → 2010-03-31
MCL Health-based Resolved 2010-01-01 → 2010-03-31
MCL Health-based Resolved 2009-10-01 → 2009-12-31
MCL Health-based Resolved 2009-10-01 → 2009-12-31
MCL Health-based Resolved 2009-10-01 → 2009-12-31
MCL Health-based Resolved 2009-07-01 → 2009-09-30
MCL Health-based Resolved 2009-07-01 → 2009-09-30
MCL Health-based Resolved 2009-04-01 → 2009-06-30
MCL Health-based Resolved 2009-04-01 → 2009-06-30
MCL Health-based Resolved 2008-10-01 → 2008-12-31

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.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Bromodichloromethane
40.796 µg/L
No EPA limit set
worst single sample: 50.61 µg/L
49/49 SYR4 2012–2019
Chloroform
65.164 µg/L
No EPA limit set
worst single sample: 110 µg/L
49/49 SYR4 2012–2019
Dibromochloromethane
30.236 µg/L
No EPA limit set
worst single sample: 37.21 µg/L
49/49 SYR4 2012–2019
TTHM
118.688 µg/L 148%
of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 167 µg/L
49/49 SYR4 2012–2019
Dichloroacetic Acid
26.975 µg/L
No EPA limit set
worst single sample: 42.5 µg/L
34/34 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
49.005 µg/L 82%
of the EPA limit 60 µg/L
worst single sample: 73.3 µg/L
34/34 SYR4 2012–2019
Bromoform
6.056 µg/L
No EPA limit set
worst single sample: 6.81 µg/L
33/49 SYR4 2012–2019
Trichloroacetic Acid
19.705 µg/L
No EPA limit set
worst single sample: 23.2 µg/L
32/34 SYR4 2012–2019
Dibromoacetic Acid
6.66 µg/L
No EPA limit set
worst single sample: 9 µg/L
28/34 SYR4 2012–2019
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 19/19 LCR 2025
Nitrate
497.2 µg/L 5%
of the EPA limit 10000 µg/L
 10/26 SYR4 2012–2019
Arsenic
3.75 µg/L 38%
of the EPA limit 10 µg/L
worst single sample: 3.8 µg/L
6/8 SYR4 2012–2019
Fluoride
158.5 µg/L 4%
of the EPA limit 4000 µg/L
worst single sample: 160 µg/L
4/8 SYR4 2012–2019
Monobromoacetic Acid
1 µg/L
No EPA limit set
 1/34 SYR4 2012–2019
Monochloroacetic Acid
2 µg/L
No EPA limit set
 1/34 SYR4 2012–2019
59 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalAsbestosAtrazineBhc-GammaBariumBenzeneBeryllium, TotalChlorobenzeneCopperCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
BORRE, ROBIN
Phone
707-263-3260
Email
[email protected]

Frequently asked questions about Lake County Csa 2 - Spring Valley

Is Lake County Csa 2 - Spring Valley tap water safe to drink?

EPA monitoring detected 15 contaminants in Lake County Csa 2 - Spring Valley'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 Lake County Csa 2 - Spring Valley's water?

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

How many people does Lake County Csa 2 - Spring Valley serve?

Lake County Csa 2 - Spring Valley reports serving 1,531 people in California, per its EPA record.

Has Lake County Csa 2 - Spring Valley had any water quality violations?

The EPA has 22 violations on file for Lake County Csa 2 - Spring Valley, of which 19 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.