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Tap water quality report

Bar H Mwc

EPA monitoring tested this supplier for 45 contaminants and detected 4. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

45
contaminants tested
4
detected
260
people served
18
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
Ground water
Ownership
Private
Counties served
San Bernardino

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.

18
health-based violations
34
violations on file
10
still open
ViolationTypeStatusPeriod
MCL Health-based Archived 2026-01-01 → 2026-03-31
MCL Health-based Archived 2026-01-01 → 2026-03-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-07-01 → 2025-09-30
MCL Health-based Archived 2025-07-01 → 2025-09-30
MCL Health-based Archived 2025-04-01 → 2025-06-30
MCL Health-based Archived 2025-01-01 → 2025-03-31
TT Health-based Unaddressed 2024-10-17
MCL Health-based Archived 2024-10-01 → 2024-12-31

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
Nitrate
9500 µg/L 95%
of the EPA limit 10000 µg/L
 14/14 SYR4 2016–2019
Lead
0.0029 mg/L 19%
of the EPA limit 0.0150 mg/L
 4/4 LCR 2021
Fluoride
369.5 µg/L 9.2%
of the EPA limit 4000 µg/L
worst single sample: 370 µg/L
2/2 SYR4 2017–2018
Nitrate-Nitrite
7300 µg/L 73%
of the EPA limit 10000 µg/L
 1/1 SYR4 2018
41 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalArsenicBariumBenzeneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCopperCyanideCadmiumCarbon TetrachlorideChloroformChromiumDichloromethaneDibromochloromethaneEthylene DibromideEthylbenzeneLeadMercuryNitriteSeleniumStyreneTTHMTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
SHAW, DANIEL
Phone
760-912-5075
Email
BARHWATER@GMAIL.COM

Frequently asked questions about Bar H Mwc

Is Bar H Mwc tap water safe to drink?

EPA monitoring detected 4 contaminants in Bar H Mwc'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 Bar H Mwc's water?

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

How many people does Bar H Mwc serve?

Bar H Mwc reports serving 260 people in California, per its EPA record.

Has Bar H Mwc had any water quality violations?

The EPA has 34 violations on file for Bar H Mwc, of which 18 are health-based (a contaminant limit or required treatment was breached) and 10 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.