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Local water dashboard

Official source aggregation

Water quality in St. Marys, WV 26170

A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Pleasants County.

1 reported benchmark flag
Primary matched system
Saint Marys
Source water
Groundwater
County
Pleasants County
Profile updated

At a glance

What the current records say

Hardness

Hard

145 PPM · 8.5 GPG

Compliance screen

No active flag

0 active health-based records

Lead 90th percentile

5.5e-4 mg/L

4% of action level

Utility match

2 systems

Serves 2,711 people system-wide

Hardness meter

How hard is the water?

Hard

Estimated local hardness

USGS hardness classification scale

145 PPM

Soft
0–59
Moderate
60–120
Hard
121–180
Very hard
181+

Parts per million

145

mg/L as CaCO₃ equivalent

Grains per gallon

8.5

1 GPG ≈ 17.1 PPM

What this means at home

At 145 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.

USGS sites used

49

Nearest site

5.4 mi

Observation range

Jun 1, 2016–Jun 1, 2026

Estimate confidence

Moderate

Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Rit-0126 (Well).USGS source documentation ↗

Regional context

Is 26170 typical?

These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.

St. Marys median

145 PPM

About the same

1 indexed ZIP readings · Range 145–145 PPM

West Virginia median

141 PPM

About the same

219 indexed ZIP readings · Range 85.5–265 PPM

EPA benchmark screen

Contaminant snapshot

Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.

1 pass1 fail

Lead (PB90)

5.5e-4 mg/L

Reported Dec 31, 2025

Copper (CU90)

1.86 mg/L

Reported Jun 30, 2013

Numerical coverage

2 comparable results

Missing values remain blank; absence is not treated as a pass.

Lead (90th percentile)

Measured in mg/L

Pass

Local 5.5e-4

EPA limit 0.015

Local level is 4% of the listed EPA limit.

Copper (90th percentile)

Measured in mg/L

Fail

Local 1.86

EPA limit 1.3

Local level is 143% of the listed EPA limit.

Share of EPA benchmark

100% line = listed limit

EPA SDWIS compliance

Reported violation history

Open EPA source documentation ↗
2026Q2
All records
12
Health-based
0
Active health-based
0
Contaminant or ruleSystemStatusPeriod
Public NoticeWV3303707ResolvedNov 15, 2025through Jan 9, 2026
Public NoticeWV3303707ResolvedNov 15, 2025through Jan 9, 2026
Consumer Confidence RuleWV3303707UnaddressedOct 1, 2024
Consumer Confidence RuleWV3303704ResolvedJul 1, 2024through Aug 9, 2024
Consumer Confidence RuleWV3303707ResolvedJul 1, 2024through Jul 31, 2024
Revised Total Coliform RuleWV3303707ArchivedJan 1, 2024through Jan 31, 2024
TTHMWV3303707ArchivedJan 1, 2024through Dec 31, 2024
Total Haloacetic Acids (HAA5)WV3303707ArchivedJan 1, 2024through Dec 31, 2024
Revised Total Coliform RuleWV3303707ArchivedAug 1, 2023through Aug 31, 2023
ChlorineWV3303707ArchivedJul 1, 2023through Sep 30, 2023
Lead and Copper RuleWV3303704UnaddressedJan 1, 2020
Public NoticeWV3303707UnaddressedSep 10, 2017

No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.

Solutions matcher

Your personalized water action plan

Matched to St. Marys ZIP 26170 using 145 PPM nearby hardness and 2 reported measurement benchmarks.

2 matches

Scale protection

High-Capacity Whole House Water Softener

145 PPM is 1× the high-hardness trigger used by this matcher.

Designed to reduce scale on fixtures, water heaters, glassware, and plumbing throughout the home.

Compare whole-house systems

Drinking water protection

Under-Sink Reverse Osmosis System

Copper (90th percentile) has a measured benchmark flag or active health-based SDWIS record in this profile.

A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.

Explore under-sink filtration

Affiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.

Frequently asked

Water questions for St. Marys

Is tap water safe in St. Marys?+

EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.

How hard is the water?+

Nearby USGS observations produce an estimate of 145 PPM, or 8.5 grains per gallon, classified as hard. This is not a household tap measurement.

Do I need a water softener?+

At 145 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.