Water Quality in 25401 — Martinsburg, WV
EPA data for BERKELEY COUNTY PSWD-POTOMAC RIVER
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 25401 in Martinsburg, West Virginia is served by BERKELEY COUNTY PSWD-POTOMAC RIVER (EPA ID: WV3300218). This system provides water to approximately 34,786 people from surface water sources.
There are 13 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| September 1, 2025 | Fecal Coliform | Monitoring | Unresolved |
| July 1, 2025 | Surface Water Treatment Rule | Monitoring | Unresolved |
| July 1, 2025 | Chlorite | Monitoring | Unresolved |
| December 1, 2024 | E. coli | Monitoring | Unresolved |
| October 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| October 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| October 1, 2024 | Revised Total Coliform Rule | Monitoring | Unresolved |
| October 1, 2024 | Revised Total Coliform Rule | Monitoring | Unresolved |
| October 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| January 1, 2024 | Lead | Monitoring | Unresolved |
| December 1, 2023 | E. coli | Monitoring | Unresolved |
| November 1, 2023 | E. coli | Monitoring | Unresolved |
| November 1, 2023 | E. coli | Monitoring | Unresolved |
| November 1, 2023 | E. coli | Monitoring | Unresolved |
| November 1, 2023 | E. coli | Monitoring | Unresolved |
| November 1, 2023 | E. coli | Monitoring | Unresolved |
| November 1, 2023 | E. coli | Monitoring | Unresolved |
| October 1, 2023 | Revised Total Coliform Rule | Monitoring | Unresolved |
| October 1, 2023 | E. coli | Monitoring | Unresolved |
| October 1, 2023 | E. coli | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. coli | Microbiological | 12 | No |
| Fluoride | Inorganic | 8 | No |
| Surface Water Treatment Rule | Treatment Technique | 7 | No |
| Revised Total Coliform Rule | Microbiological | 4 | No |
| Cadmium | Inorganic | 4 | No |
| Chromium | Inorganic | 4 | No |
| Selenium | Inorganic | 4 | No |
| Nickel | Inorganic | 4 | No |
| Nitrite | Inorganic | 4 | No |
| Contaminant 1036 | Other | 4 | No |
| Mercury | Inorganic | 4 | No |
| Contaminant 1075 | Other | 4 | No |
| Contaminant 1085 | Other | 4 | No |
| Contaminant 1045 | Other | 4 | No |
| PFOA | PFAS | 4 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| BERKELEY COUNTY PSWD-POTOMAC RIVER | WV3300218 | 34,786 | Surface water |
| BERKELEY CO P S W D-BUNKER HILL | WV3300202 | 34,586 | Surface water |
| MARTINSBURG CITY OF | WV3300212 | 16,250 | Surface water |
| WOODS HOME OWNERS ASSOCIATION 2 | WV3300237 | 3,300 | Groundwater |
| VA MEDICAL CENTER | WV3300227 | 2,175 | Surface water |
What You Can Do
- Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
- Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
- Stay informed — Bookmark this page to check for updates on your water quality
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in West Virginia
- 24701 (Bluefield) — 30 violations
- 24712 (Athens) — 6 violations
- 24729 (Hiawatha) — 2 violations
- 24736 (Matoaka) — 2 violations
- 24739 (Princeton) — 7 violations
- 24747 (Rock)
- 24801 (Welch) — 269 violations
- 24815 (Berwind)
- 24817 (Bradshaw) — 25 violations
- 24818 (Brenton) — 154 violations
- 24823 (Coal Mountain)
- 24828 (Davy) — 17 violations
- 24829 (Eckman) — 5 violations
- 24836 (Gary) — 118 violations
- 24961 (White Sulphur Springs) — 206 violations
- 25301 (Charleston) — 32 violations
- 25701 (Huntington) — 10 violations
- 25801 (Beckley)
- 25880 (Mount Hope) — 7 violations
- 26101 (Parkersburg) — 33 violations
Nearby Water Quality Reports
- 21740 (Hagerstown, MD) — 17 mi — 6 violations
- 22601 (Winchester, VA) — 22 mi — 5 violations
- 20132 (Purcellville, VA) — 25 mi
- 20141 (Round Hill, VA) — 26 mi
- 20146 (Ashburn, VA) — 31 mi — 3 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for BERKELEY COUNTY PSWD-POTOMAC RIVER (WV3300218) on EPA.gov.
Frequently Asked Questions
Is the tap water in 25401 safe to drink?
Based on EPA records, the water system serving ZIP code 25401 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 25401’s water come from?
The primary water source for this area is surface water. BERKELEY COUNTY PSWD-POTOMAC RIVER serves approximately 34,786 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 25401 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 25401. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 25401?
Radon zone data is not available for ZIP code 25401. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.