Is Casitas Municipal Water Dist Tap Water Safe? Quality Report

Water source: Surface water
Ownership: Local government
Counties served: Ventura

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	2023-10-01 → 2023-12-31
MCL	Health-based	Resolved	2023-10-01 → 2023-12-31
TT	Health-based	Resolved	1994-11-01 → 1994-11-30
TT	Health-based	Resolved	1994-11-01 → 1994-11-30
TT	Health-based	Resolved	1993-07-01 → 1993-07-31
TT	Health-based	Resolved	1993-07-01 → 1993-07-31
TT	Health-based	Resolved	1993-01-01 → 1993-01-31
MCL	Health-based	Resolved	1992-05-01 → 1992-06-30
MCL	Health-based	Resolved	1992-05-01 → 1992-06-30
TT	Health-based	Resolved	1992-01-01

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 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
Nitrate	12200 µg/L 122% of the EPA limit, at the 95th percentile of samples — 10000 µg/L worst single sample: 14938.6 µg/L	740/756	SYR4	2012–2019
Bromodichloromethane	18 µg/L No EPA limit set worst single sample: 25 µg/L	128/128	SYR4	2012–2019
Chloroform	41.13 µg/L No EPA limit set worst single sample: 92.2 µg/L	128/128	SYR4	2012–2019
Dibromochloromethane	6 µg/L No EPA limit set worst single sample: 7.8 µg/L	128/128	SYR4	2012–2019
TTHM	64.65 µg/L 81% of the EPA limit 80 µg/L worst single sample: 124 µg/L	128/128	SYR4	2012–2019
Total Haloacetic Acids (HAA5)	58.9 µg/L 98% of the EPA limit 60 µg/L worst single sample: 75 µg/L	128/128	SYR4	2012–2019
Trichloroacetic Acid	30.3 µg/L No EPA limit set worst single sample: 38 µg/L	128/128	SYR4	2012–2019
Dichloroacetic Acid	27 µg/L No EPA limit set worst single sample: 37 µg/L	114/128	SYR4	2012–2019
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	69/69	LCR	2023
Monobromoacetic Acid	4 µg/L No EPA limit set	46/128	SYR4	2012–2019
Bromoform	2 µg/L No EPA limit set worst single sample: 2.4 µg/L	38/128	SYR4	2012–2019
Dibromoacetic Acid	2 µg/L No EPA limit set worst single sample: 11 µg/L	30/128	SYR4	2012–2019
Barium	130.4 µg/L 6.5% of the EPA limit 2000 µg/L worst single sample: 134 µg/L	19/19	SYR4	2012–2019
Fluoride	510 µg/L 13% of the EPA limit 4000 µg/L worst single sample: 600 µg/L	19/19	SYR4	2012–2019
Nitrate-Nitrite	320000 µg/L 3200% of the EPA limit, at the 95th percentile of samples — 10000 µg/L worst single sample: 600000 µg/L	15/17	SYR4	2012–2019
Monochloroacetic Acid	3 µg/L No EPA limit set	12/128	SYR4	2012–2019
Lithium	16 µg/L No EPA limit set	8/8	UCMR-5	2023
Arsenic	2 µg/L 20% of the EPA limit 10 µg/L	6/19	SYR4	2012–2019
Chromium	2 µg/L 2% of the EPA limit 100 µg/L	4/19	SYR4	2012–2019
Lead	1.95 µg/L 13% of the EPA limit 15 µg/L worst single sample: 2.1 µg/L	3/19	SYR4	2012–2019
Selenium	1 µg/L 2% of the EPA limit 50 µg/L	3/19	SYR4	2012–2019
Gross Beta Particle Activity	1.4645 pCi/L No EPA limit set worst single sample: 1.47 pCi/L	2/2	SYR4	2012
Copper	20 µg/L 1.5% of the EPA limit 1300 µg/L	1/19	SYR4	2012–2019

60 contaminants tested, none detected

1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAsbestosAtrazineBenzeneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbon TetrachlorideDichloromethaneEthylbenzeneHfpo-DaMercuryNetfosaaNfdhaNmefosaaNitritePfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: FLOOD, MICHAEL
Phone: 805-649-2251
Email: [email protected]

Frequently asked questions about Casitas Municipal Water Dist

Is Casitas Municipal Water Dist tap water safe to drink?

EPA monitoring detected 23 contaminants in Casitas Municipal Water Dist'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 Casitas Municipal Water Dist's water?

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

How many people does Casitas Municipal Water Dist serve?

Casitas Municipal Water Dist reports serving 11,005 people in California, per its EPA record.

Has Casitas Municipal Water Dist had any water quality violations?

The EPA has 17 violations on file for Casitas Municipal Water Dist, of which 12 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.