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Tap water quality report

Templeton Csd

EPA monitoring tested this supplier for 89 contaminants and detected 16. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

89
contaminants tested
16
detected
8,011
people served
2
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
Ground water
Ownership
Local government
Counties served
San Luis Obispo

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.

2
health-based violations
4
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2008-11-01 → 2008-11-30
MCL Health-based Resolved 2008-11-01 → 2008-11-30
MR Monitoring Resolved 2019-10-01
MR Monitoring Resolved 2019-10-01

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
PFBS 0.0068 µg/L 3/7 2025
PFHXS 0.0032 µg/L 1/7 2025

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
Arsenic
26 µg/L 260%
of the EPA limit, in the worst sample — 10 µg/L
 548/815 SYR4 2012–2019
Nitrate
17100 µg/L 171%
of the EPA limit, in the worst sample — 10000 µg/L
 410/452 SYR4 2012–2019
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 39/39 LCR 2023
Selenium
64 µg/L 128%
of the EPA limit, in the worst sample — 50 µg/L
 24/29 SYR4 2012–2019
Fluoride
600 µg/L 15%
of the EPA limit 4000 µg/L
 23/31 SYR4 2012–2019
Barium
216 µg/L 11%
of the EPA limit 2000 µg/L
 19/29 SYR4 2012–2019
Nitrate-Nitrite
1000000 µg/L 10000%
of the EPA limit, in the worst sample — 10000 µg/L
 15/21 SYR4 2012–2019
Combined Uranium
14.0805 µg/L 47%
of the EPA limit 30 µg/L
 13/13 SYR4 2012–2019
Chromium
3 µg/L 3%
of the EPA limit 100 µg/L
 8/29 SYR4 2012–2019
Lithium
27.3 µg/L
No EPA limit set
 7/7 UCMR-5 2025
Cadmium
3.2 µg/L 64%
of the EPA limit 5 µg/L
 4/29 SYR4 2012–2019
Lead
0.9000 µg/L 6%
of the EPA limit 15 µg/L
 2/29 SYR4 2012–2019
Copper
10 µg/L 0.8%
of the EPA limit 1300 µg/L
 1/31 SYR4 2012–2019
Mercury
0.0500 µg/L 2.5%
of the EPA limit 2 µg/L
 1/29 SYR4 2012–2019
73 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAsbestosAtrazineBenzeneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCyanideCarbofuranCarbon TetrachlorideChlordaneChloroformDichloromethaneDibromochloromethaneDiquatEthylene DibromideEndrinEthylbenzeneHfpo-DaHeptachlorHeptachlor EpoxideLassoMethoxychlorNetfosaaNfdhaNmefosaaNitritePfbaPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPicloramSimazineStyreneTTHMTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
BRILTZ, JEFF
Phone
805-434-4820
Email
jbriltz@templetoncsd.org

Frequently asked questions about Templeton Csd

Is Templeton Csd tap water safe to drink?

EPA monitoring detected 16 contaminants in Templeton Csd'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 Templeton Csd's water?

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

How many people does Templeton Csd serve?

Templeton Csd reports serving 8,011 people in California, per its EPA record.

Has Templeton Csd had any water quality violations?

The EPA has 4 violations on file for Templeton Csd, of which 2 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.