Del Oro Wc - Larkspur Meadows, 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 Del Oro Wc - Larkspur Meadows
Del Oro Wc - Larkspur Meadows serves about 109 people through 33 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Tehama County, California. EPA system ID: CA5200574; phone on file: 530-809-3970. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2023 (0.25 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Del Oro Wc - Larkspur Meadows is 0.25 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0.25 ppb |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
| 2016 | 0 (not detected) |
How Del Oro Wc - Larkspur Meadows compares
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. Del Oro Wc - Larkspur Meadows's reported as 0 (not detected) sits at the 19th percentile in California and the 10th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
47 other systems share Tehama County; 19 of them have a higher latest lead result than Del Oro Wc - Larkspur Meadows. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Red Bluff | 14,286 | 0 (not detected) |
| City Of Corning | 8,244 | 1.08 ppb |
| Rio Alto Water District | 3,377 | 0 (not detected) |
| Los Molinos Comm. Services Dist. | 1,450 | 0 (not detected) |
| Gerber Las Flores Csd | 1,200 | 0 (not detected) |
| Mineral County Water District | 634 | 4.21 ppb |
| Rio Vista Mobile Home Park | 543 | 7.35 ppb |
| Vista Grande Water System | 468 | 0.89 ppb |
| City Of Tehama | 436 | 0 (not detected) |
| Sky View County Water | 429 | 0 (not detected) |
Next steps for Chico, CA
Look up your address in Del Oro Wc - Larkspur Meadows'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 Del Oro Wc - Larkspur Meadows 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. Small systems behave differently: why small systems go over more often.