Is Penhook, VA tap water safe?
The short answer
2 of the 3 utilities serving Penhook have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Western Virginia Water Authority and Town of Rocky Mount.
Western Virginia Water Authority, which serves the most people here, has 2 results above the legal limit, 2 results above EPA’s new limit, which takes effect in 2029 and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 81 ppb, above the legal limit.
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 Penhook’s ZIP codes, from EPA’s estimates.
- Open report
Western Virginia Water Authority
Virginia · serves 182,700 people · under 100 in Penhook
2 results above the legal limit, 2 results above EPA’s new limit, which takes effect in 2029 and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 81 ppb, above the legal limit.
3 health-based violations since 2016
- Open report
Town of Rocky Mount
Virginia · serves 6,000 people · under 100 in Penhook
1 result above the legal limit and 1 result above the health goal. The worst: Haloacetic acids (HAA5) at 59.2 ppb, above the legal limit.
No health-based violations since 2016
- Open report
Cottage Edge
Virginia · serves 80 people · under 100 in Penhook
Nothing in its records is above a health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Western Virginia Water Authority’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS
PUR PLUS Faucet Filtration System, Horizontal (PFM400H)
Faucet mount
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS
Water testing near Penhook
The 3 labs Virginia certifies closest to Penhook, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Cisco Labs of Martinsville Va
Martinsville, VA · about 18 miles
Certified for bacteria
Pace Analytical Services, LLC - Eden NC
Eden, NC · about 30 miles
Certified for bacteria, nitrate, minerals and other inorganics
Otter River Filter Plant
Evington, VA · about 31 miles
Certified for bacteria
Virginia Household Water Quality Program, Virginia Cooperative Extension: Drinking water clinics in about 70 counties a year, run through local Extension offices: pick up a kit, collect the sample on the set day, and drop it off locally. Each kit tests well, spring or cistern water for 28 things, including bacteria, nitrate, lead and arsenic. $70 a kit, with funding to help if you need it. Virginia Household Water Quality Program.
All 145 certified labs for VirginiaZIP codes in Penhook
Which ZIP codes are in Penhook: 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: DCLS, drinking water laboratories with certification detail; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Penhook
Towns nearby with a page of their own.
What to do next
- Read Western Virginia Water Authority’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water