Clarksburg Water Board, WV
Lead detected, under the action levels
Latest 90th-percentile lead: 1.3 ppb (monitoring period 2026-2026). 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.
Who runs the water here
Clarksburg Water Board serves about 19,072 people through 8,154 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Harrison County, West Virginia. EPA system ID: WV3301705; phone on file: 304-623-3711. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is down 2 ppb from 3.3 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Clarksburg Water Board is 13 ppb across 12 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.3 ppb |
| 2025 | 3.3 ppb |
| 2025 | 2.6 ppb |
| 2024 | 2.8 ppb |
| 2024 | 2.4 ppb |
| 2023 | 3.2 ppb |
| 2023 | 3.7 ppb |
| 2022 | 6.1 ppb |
| 2022 | 4.1 ppb |
| 2021 | 13 ppb over 10 |
| 2019 | 5.3 ppb |
| 2016 | 6.9 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. Clarksburg Water Board's 1.3 ppb sits at the 65th percentile in West Virginia and the 61st nationally (higher means more lead).
Other water systems in Harrison County
19 other systems share Harrison County; 2 of them have a higher latest lead result than Clarksburg Water Board. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Bridgeport City Of | 11,158 | 0.27 ppb |
| Shinnston City Of | 4,959 | 1.17 ppb |
| Greater Harrison Psd Lost Creek Mt Clare | 3,536 | 0.26 ppb |
| Sun Valley Psd | 2,905 | 0.75 ppb |
| Greater Harrison Psd Valley Of Good Hope | 2,744 | 0.46 ppb |
| Shortline Psd | 2,727 | 0 (not detected) |
| Greater Harrison Psd - Quiet Dell | 2,328 | 0 (not detected) |
| Stonewood City Of | 2,236 | 1.6 ppb |
| Enlarged Hepzibah Psd | 1,937 | 2 ppb |
| Nutter Fort Town Of | 1,863 | 0.28 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Clarksburg, 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 Clarksburg Water Board 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.