Auburn Valley Community Service Dis, CA
Lead detected, under the action levels
Latest 90th-percentile lead: 2.97 ppb (monitoring period 2022-2024). 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
Auburn Valley Community Service Dis serves about 290 people through 143 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Placer County, California. EPA system ID: CA3100011; phone on file: 408-679-0000. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 11.34 ppb from 14.31 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Auburn Valley Community Service Dis is 14.31 ppb across 3 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2.97 ppb |
| 2021 | 14.31 ppb over 10 |
| 2018 | 1 ppb |
Against other California systems
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. Auburn Valley Community Service Dis's 2.97 ppb sits at the 85th percentile in California and the 81st nationally (higher means more lead).
Other water systems in Placer County
50 other systems share Placer County; 14 of them have a higher latest lead result than Auburn Valley Community Service Dis. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Roseville | 165,736 | 0 (not detected) |
| Placer Cwa - Foothill | 93,417 | 0 (not detected) |
| City Of Lincoln | 56,268 | 0 (not detected) |
| Placer Cwa - Auburn/Bowman | 27,317 | 0 (not detected) |
| Cal Am - West Placer | 9,547 | 0 (not detected) |
| Nevada Id - North Auburn | 6,870 | 0 (not detected) |
| Foresthill Public Utility Dist | 6,811 | 0 (not detected) |
| Tahoe City Pud - Main | 6,411 | 4.4 ppb |
| North Tahoe Pud - Main | 6,321 | 1.45 ppb |
| Northstar Csd - Martis Valley | 4,432 | 0.85 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Auburn, 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 Auburn Valley Community Service Dis 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Size matters more than most people expect: small vs large water systems.