Wvaw - Cave Quarter Utility, WV
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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.
Who runs the water here
Wvaw - Cave Quarter Utility serves about 126 people through 47 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Jefferson County, West Virginia. EPA system ID: WV3301904; phone on file: 304-347-1510. They can tell you what your service line is made of and whether they pay to replace it.
Wvaw - Cave Quarter Utility's lead record
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Wvaw - Cave Quarter Utility is 2.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2022 | 0 (not detected) |
| 2019 | 2.8 ppb |
| 2016 | 2 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. Wvaw - Cave Quarter Utility's 1 ppb sits at the 53rd percentile in West Virginia and the 51st nationally (higher means more lead).
Other water systems in Jefferson County
11 other systems share Jefferson County; 7 of them have a higher latest lead result than Wvaw - Cave Quarter Utility. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Charles Town Utilities | 15,220 | 0.6 ppb |
| Wvaw - Walnut Grove Utilities | 7,250 | 3 ppb |
| Corporation Of Shepherdstown | 4,300 | 1.7 ppb |
| Corporation Of Harpers Ferry | 2,122 | 2.9 ppb |
| Wvaw - The Mountain Water System | 976 | 1 ppb |
| Charles Town Utl-Glen Haven Utilities | 195 | 3 ppb |
| Wvaw - Deerfield Village Subdivision | 132 | 2 ppb |
| Charles Town Utl-Cavaland Subdivision | 107 | 2 ppb |
| Leights Mhp | 78 | 0.7 ppb |
| Russells Mhp | 75 | 1 ppb |
Next steps for Charleston, WV
Test your own tap with a certified lab first-draw sample; Charleston, 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 Wvaw - Cave Quarter Utility 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.