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Tap water quality report

Calipatria State Prison

EPA monitoring tested this supplier for 42 contaminants and detected 13. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

42
contaminants tested
13
detected
4,800
people served
8
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
SWP
Ownership
State government
Counties served
Imperial

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.

8
health-based violations
9
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2012-02-01 → 2012-02-29
TT Health-based Resolved 2012-02-01 → 2012-02-29
MCL Health-based Resolved 2009-07-01 → 2009-07-31
MCL Health-based Resolved 2009-07-01 → 2009-07-31
MCL Health-based Resolved 2003-12-01 → 2003-12-31
MCL Health-based Resolved 2003-12-01 → 2003-12-31
MCL Health-based Resolved 1998-02-01 → 1998-02-28
MCL Health-based Resolved 1998-02-01 → 1998-02-28
MR Monitoring Archived 2003-01-01 → 2003-12-31

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 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
Bromodichloromethane
27 µg/L
No EPA limit set
 42/42 SYR4 2013–2019
Chloroform
30 µg/L
No EPA limit set
 42/42 SYR4 2013–2019
Dibromochloromethane
22 µg/L
No EPA limit set
 42/42 SYR4 2013–2019
TTHM
72 µg/L 90%
of the EPA limit 80 µg/L
 42/42 SYR4 2013–2019
Bromoform
13 µg/L
No EPA limit set
 40/42 SYR4 2013–2019
Dibromoacetic Acid
4.5 µg/L
No EPA limit set
 32/48 SYR4 2013–2019
Lead
0.0024 mg/L 16%
of the EPA limit 0.0150 mg/L
 26/26 LCR 2023
Total Haloacetic Acids (HAA5)
16 µg/L 27%
of the EPA limit 60 µg/L
 25/48 SYR4 2013–2019
Monobromoacetic Acid
11 µg/L
No EPA limit set
 15/48 SYR4 2013–2019
Dichloroacetic Acid
3.11 µg/L
No EPA limit set
 14/48 SYR4 2013–2019
Monochloroacetic Acid
13 µg/L
No EPA limit set
 8/48 SYR4 2013–2019
Trichloroacetic Acid
1.7 µg/L
No EPA limit set
 4/48 SYR4 2013–2019
Lithium
59.3 µg/L
No EPA limit set
 3/3 UCMR-5 2025
29 contaminants tested, none detected
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Utility contact

Contact
ARIAS, ROBERTO
Phone
760-348-7000
Email
ROBERTO.ARIAS@CDCR.CA.GOV

Frequently asked questions about Calipatria State Prison

Is Calipatria State Prison tap water safe to drink?

EPA monitoring detected 13 contaminants in Calipatria State Prison'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 Calipatria State Prison's water?

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

How many people does Calipatria State Prison serve?

Calipatria State Prison reports serving 4,800 people in California, per its EPA record.

Has Calipatria State Prison had any water quality violations?

The EPA has 9 violations on file for Calipatria State Prison, of which 8 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.