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Tap water quality report

Penngrove Water Company (Puc)

EPA monitoring tested this supplier for 12 contaminants and detected 10. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

12
contaminants tested
10
detected
1,742
people served
0
health-based violations
Water source
GWP
Ownership
Private
Counties served
Sonoma

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.

0
health-based violations
5
violations on file
0
still open
ViolationTypeStatusPeriod
MR Monitoring Resolved 2017-10-01
MR Monitoring Resolved 2017-10-01
Other Monitoring Archived 1989-08-01 → 1989-08-31
Other Monitoring Archived 1989-04-01 → 1989-04-30
Other Monitoring Archived 1989-03-01 → 1989-03-31

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
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
20/20 LCR 2024
Dibromochloromethane
9.9 µg/L
No EPA limit set
6/8 SYR4 2012–2019
TTHM
46 µg/L 57%
of the EPA limit 80 µg/L
6/8 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
5.3 µg/L 8.8%
of the EPA limit 60 µg/L
6/8 SYR4 2012–2019
Bromodichloromethane
13 µg/L
No EPA limit set
5/8 SYR4 2012–2019
Bromoform
2.2 µg/L
No EPA limit set
5/8 SYR4 2012–2019
Chloroform
21 µg/L
No EPA limit set
5/8 SYR4 2012–2019
Dibromoacetic Acid
2.85 µg/L
No EPA limit set
5/8 SYR4 2012–2019
Dichloroacetic Acid
3.16 µg/L
No EPA limit set
5/8 SYR4 2012–2019
Monochloroacetic Acid
5.3 µg/L
No EPA limit set
1/8 SYR4 2012–2019
2 contaminants tested, none detected
Monobromoacetic AcidTrichloroacetic Acid

Utility contact

Contact
CAVAZ, JULIE
Phone
707-539-6397
Email
julie@pkh2o.com

Frequently asked questions about Penngrove Water Company (Puc)

Is Penngrove Water Company (Puc) tap water safe to drink?

EPA monitoring detected 10 contaminants in Penngrove Water Company (Puc)'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 Penngrove Water Company (Puc)'s water?

EPA monitoring detected Lead, Dibromochloromethane, TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, and others. The full list with the level and data source for each is above.

How many people does Penngrove Water Company (Puc) serve?

Penngrove Water Company (Puc) reports serving 1,742 people in California, per its EPA record.

Has Penngrove Water Company (Puc) had any water quality violations?

The EPA has 5 violations on file for Penngrove Water Company (Puc), of which 0 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.