South Feather W&P - Miners Ranch, CA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About South Feather W&P - Miners Ranch
South Feather W&P - Miners Ranch serves about 22,638 people through 7,164 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 Butte County, California. EPA system ID: CA0410006; phone on file: 530-533-4578. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 5.2 ppb from 5.2 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for South Feather W&P - Miners Ranch is 5.2 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 5.2 ppb |
| 2020 | 0 (not detected) |
| 2017 | 5.2 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. South Feather W&P - Miners Ranch's reported as 0 (not detected) sits at the 56th percentile in California and the 39th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Butte County
41 other systems share Butte County; 14 of them have a higher latest lead result than South Feather W&P - Miners Ranch. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Cal-Water Service Co.-Chico | 110,473 | 0 (not detected) |
| Thermalito Water & Sewer Dist | 12,209 | 0 (not detected) |
| Cal-Water Service Co.-Oroville | 11,047 | 0.9 ppb |
| Del Oro Water Co.-Paradise Pines | 10,738 | 0.54 ppb |
| Paradise Irrigation District | 9,114 | 0 (not detected) |
| City Of Gridley | 7,269 | 0 (not detected) |
| City Of Biggs | 2,060 | 6.91 ppb |
| Durham Irrigation District | 1,581 | 0.74 ppb |
| Del Oro Water Co.-Lime Saddle Marina | 954 | 0 (not detected) |
| Del Oro Water Co.-Stirling Bluffs | 512 | 4.55 ppb |
Next steps for Oroville, CA
Look up your address in South Feather W&P - Miners Ranch's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask South Feather W&P - Miners Ranch 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. A zero today does not rule out a jump later - the rules are tightening in 2027.