Moundsville, WV
Lead detected, under the action levels
Latest 90th-percentile lead: 0.64 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Moundsville
Moundsville serves about 9,911 people through 4,547 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Marshall County, West Virginia. EPA system ID: WV3302611; phone on file: 304-845-3028. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (0.76 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Moundsville is 2.5 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.64 ppb |
| 2022 | 0.76 ppb |
| 2021 | 0.8 ppb |
| 2019 | 0.8 ppb |
| 2018 | 2.5 ppb |
| 2016 | 1.9 ppb |
Against other West Virginia systems
Of the 408 West Virginia systems with a lead result, the median latest reading is 0.9 ppb; 4 are over 15 ppb right now and 20 have gone over at some point. Moundsville's 0.64 ppb sits at the 40th percentile in West Virginia and the 45th nationally (higher means more lead).
Other water systems in Marshall County
8 other systems share Marshall County; 6 of them have a higher latest lead result than Moundsville. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Marshall County Psd 4 | 4,063 | 3.1 ppb |
| Marshall County Psd 1 | 3,463 | 0 (not detected) |
| Marshall County Psd 3 | 2,694 | 0.62 ppb |
| Glen Dale Water Works | 2,495 | 1.3 ppb |
| Mcmechen Municipal Water | 2,212 | 1 ppb |
| Marshall County Psd 2 | 1,601 | 2 ppb |
| Benwood Water Department | 1,510 | 0.69 ppb |
| Cameron Water | 962 | 5.6 ppb |
Next steps for Moundsville, WV
Test your own tap with a certified lab first-draw sample; Moundsville, WV may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Moundsville whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.