Is Mount Gay-Shamrock, WV tap water safe?
The short answer
2 of the 2 utilities serving Mount Gay-Shamrock have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s records: Logan County PSD - Northern Regional and City of Logan Water Board.
Logan County PSD - Northern Regional, which serves the most people here, has 1 result above the legal limit and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 66.7 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 Mount Gay-Shamrock’s ZIP codes, from EPA’s estimates.
- Open report
Logan County PSD - Northern Regional
West Virginia · serves 16,822 people · about 920 in Mount Gay-Shamrock
1 result above the legal limit and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 66.7 ppb, above the legal limit.
8 health-based violations since 2016
- Open report
City of Logan Water Board
West Virginia · serves 3,662 people · about 540 in Mount Gay-Shamrock
1 result above the limit’s level with no violation recorded and 1 result above EPA’s health benchmark. The worst: Fluoride at 5.9 ppm, above the limit’s level, no violation.
2 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 Logan County PSD - Northern Regional’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)
Brita Hub Countertop Water Filter System (87340)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
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)
Water testing near Mount Gay-Shamrock
The 3 labs West Virginia certifies closest to Mount Gay-Shamrock, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services, LLC - Pikeville
Pikeville, KY · about 35 miles
Certified for bacteria
West Virginia Dept. of Health - Office of Lab Services, Chemistry
Charleston, WV · about 44 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, disinfection byproducts
West Virginia Dept. of Health - Office of Lab Services, Microbiology
Charleston, WV · about 44 miles
Certified for bacteria
Which ZIP codes are in Mount Gay-Shamrock: 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: West Virginia Office of Laboratory Services, laboratory certified parameter list; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Mount Gay-Shamrock
Other towns in Logan County with a page of their own.
What to do next
- Read Logan County PSD - Northern Regional’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