F5/100
BERKELEY COUNTY PSWD-POTOMAC RIVER — Water Quality Report 2026
Serving 34,786 people · West Virginia
Water Source
Surface Water
County
—
System ID
WV3300218
Violations
32
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.62 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – March 7, 2024Enforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: February 12, 2022Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About BERKELEY COUNTY PSWD-POTOMAC RIVER
Is BERKELEY COUNTY PSWD-POTOMAC RIVER water safe to drink?
BERKELEY COUNTY PSWD-POTOMAC RIVER water receives a grade of F (5/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 32 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BERKELEY COUNTY PSWD-POTOMAC RIVER detected?
70 contaminants were tested in BERKELEY COUNTY PSWD-POTOMAC RIVER's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does BERKELEY COUNTY PSWD-POTOMAC RIVER have any EPA violations?
Yes, BERKELEY COUNTY PSWD-POTOMAC RIVER has 32 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 13 are health-based violations.
How many people does BERKELEY COUNTY PSWD-POTOMAC RIVER serve?
BERKELEY COUNTY PSWD-POTOMAC RIVER serves approximately 34,786 people, West Virginia. The system provides water to 1 community: Martinsburg.
What type of water does BERKELEY COUNTY PSWD-POTOMAC RIVER provide?
BERKELEY COUNTY PSWD-POTOMAC RIVER sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WV3300218.
How does BERKELEY COUNTY PSWD-POTOMAC RIVER compare to other utilities in West Virginia?
BERKELEY COUNTY PSWD-POTOMAC RIVER scores 5/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our West Virginia state page for a full comparison of water systems.