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St. Clairsville Tap Water Quality Report
St. Clairsville's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029). Consider using a certified water filter for additional protection.
Other systems listed for St. Clairsville with results above guidelines: BELMONT CO. SEWER DISTRICT 1B PWS (2 above guidelines)
Water system
ST. CLAIRSVILLE, CITY OF PWS
1 other system is listed for St. Clairsville. See its figures
People Served
5,097
Health-based violations since 2020
3
ST. CLAIRSVILLE, CITY OF PWS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Oct 2024 · ST. CLAIRSVILLE, CITY OF PWS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is St. Clairsville Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. St. Clairsville's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029).
ST. CLAIRSVILLE, CITY OF PWS, St. Clairsville's water system, serves 5,097 people. 1 other system is listed for St. Clairsville. Each system's results are listed under its own name, never added to ST. CLAIRSVILLE, CITY OF PWS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for ST. CLAIRSVILLE, CITY OF PWS is from Oct 2024.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Ohio
St. Clairsville Water Service Areas
What these numbers actually mean for St. Clairsville, OH
We read St. Clairsville, OH’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029) and 2 health-based EPA violations that began after the latest result on file
- 23 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in St. Clairsville's water
ST. CLAIRSVILLE, CITY OF PWS
PWSID OH0701516
No fluoride level in our data for ST. CLAIRSVILLE, CITY OF PWS. Your utility's annual water quality report (CCR) lists it.
BELMONT CO. SEWER DISTRICT 1B PWS
PWSID OH0701803
No fluoride level in our data for BELMONT CO. SEWER DISTRICT 1B PWS. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for St. Clairsville
Based on St. Clairsville's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA's health goals (MCLGs) or legal limits (MCL).
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Filters for what St. Clairsville reported
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
What St. Clairsville's water readings can explain
We publish a city-level hardness figure for St. Clairsville, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near St. Clairsville? Public-water results do not apply to private wells. See Belmont County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in St. Clairsville
St. Clairsville's tap water has an estimated 21.2 grains per gallon (363.0 mg/L, county sampling in Belmont County) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for an estimated 21.2 gpg water in St. Clairsville — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For Ohio as a whole, read water softener cost in Ohio — priced against the plumber wage published for the state.
Frequently Asked Questions About St. Clairsville Tap Water
St. Clairsville's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029). We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. EPA records 2 health-based violations for ST. CLAIRSVILLE, CITY OF PWS that began after its latest result on file (Oct 2024): Single Turbidity Exceed (Enhanced SWTR) (Interim Enhanced Surface Water Treatment Rule), 2 violations, the first beginning on October 1, 2025 and the latest on November 1, 2025. Every result on file predates them, so none can show the water met the standard since, and this page does not call the water safe.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach ST. CLAIRSVILLE, CITY OF PWS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact ST. CLAIRSVILLE, CITY OF PWS directly.
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