Is Penngrove, CA tap water safe?
The short answer
None of the 4 utilities serving Penngrove has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
Penngrove Water Company (Puc), which serves the most people here, has nothing above a health goal in EPA’s and California’s records. That data covers what its report lists, not everything.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Penngrove’s ZIP codes, from EPA’s estimates.
- Open report
Penngrove Water Company (Puc)
California · serves 1,742 people · about 1,000 in Penngrove
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Canon Manor Water System
California · serves 828 people · about 130 in Penngrove
1 result above the health goal. The worst: Arsenic at 4.3 ppb, above the health goal. Hardness: hard, typically 140 mg/L (8.2 grains per gallon).
No health-based violations since 2016
- Open report
College Park Mutual Water Company
California · serves 244 people · under 100 in Penngrove
1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Arsenic at 27.7 ppb, above the limit’s level, no violation. Hardness: hard to very hard depending on the source, 130 to 200 mg/L (7.6 to 11.7 grains per gallon).
No health-based violations since 2016
- Open report
Lichau Hylands Mutual Water Company
California · serves 56 people · nearly all in Penngrove
1 result above the health goal. The worst: Arsenic at 2.1 ppb, above the health goal. Hardness: hard, typically 175 mg/L (10.2 grains per gallon).
No health-based violations since 2016
Water testing near Penngrove
The 3 labs California certifies closest to Penngrove, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Alpha Analytical Laboratories Inc. - North Bay
Petaluma, CA · about 4 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, PFAS
Brelje and Race Laboratories, Inc.
Santa Rosa, CA · about 9 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
Sonoma County Public Health Laboratory
Santa Rosa, CA · about 11 miles
Certified for bacteria
ZIP codes in Penngrove
Which ZIP codes are in Penngrove: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: California State Water Resources Control Board, ELAP accredited laboratories and their fields of accreditation; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Penngrove
Other towns in Sonoma County with a page of their own.
What to do next
- Read Penngrove Water Company (Puc)’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Decide if you want a filter at allA filter for taste or chlorine is a preference, not a need. The standards say what each kind can do.NSF/ANSI standards, decoded
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water