Kgcsa-Dahlgren, CA
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Kgcsa-Dahlgren serves about 2,650 people through 1,084 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in King George County, California. EPA system ID: VA6099295; phone on file: 540-775-8562. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 2.42 ppb from 2.42 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Kgcsa-Dahlgren is 26.2 ppb across 8 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 2.42 ppb |
| 2024 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 26.2 ppb over 15 |
| 2019 | 0 (not detected) |
| 2016 | 1 ppb |
Where this result ranks
Of the 2,884 California systems with a lead result, the median latest reading is 0 ppb; 30 are over 15 ppb right now and 215 have gone over at some point. Kgcsa-Dahlgren's reported as 0 (not detected) sits at the 47th percentile in California and the 32nd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
8 other systems share King George County; 4 of them have a higher latest lead result than Kgcsa-Dahlgren. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| King George Co. Courthouse | 3,985 | 0 (not detected) |
| Hopyard Farm | 1,772 | 0 (not detected) |
| Oakland Park | 1,659 | 3.92 ppb |
| Fairview Beach-Potomac Landing | 928 | 5.6 ppb |
| St. Pauls Church-Owens | 242 | 3.4 ppb |
| Circle | 230 | 0.28 ppb |
| Canterbury Subdivision | 208 | 0 (not detected) |
| Nindes Store | 97 | 0 (not detected) |
Next steps for King George, CA
Test your own tap with a certified lab first-draw sample; King George, CA 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 Kgcsa-Dahlgren 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. More in what a past exceedance means today.