Ukiah, City Of, 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.
Ukiah, City Of at a glance
Ukiah, City Of serves about 16,067 people through 4,937 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 Mendocino County, California. EPA system ID: CA2310003; phone on file: 707-462-2666. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Ukiah, City Of's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Ukiah, City Of is 6.2 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 6.2 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. Ukiah, City Of's reported as 0 (not detected) sits at the 55th percentile in California and the 38th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Mendocino County
40 other systems share Mendocino County; 6 of them have a higher latest lead result than Ukiah, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Fort Bragg, City Of | 7,117 | 0 (not detected) |
| Willits, City Of | 6,175 | 0 (not detected) |
| Millview County Water District | 5,500 | 0 (not detected) |
| Redwood Valley County Water District | 5,200 | 0 (not detected) |
| Willow County Water District | 3,797 | 0 (not detected) |
| Brooktrails Township Csd | 3,632 | 0 (not detected) |
| North Gualala Water Company | 3,508 | 0 (not detected) |
| Rogina Water Company Inc. | 2,554 | 0 (not detected) |
| Laytonville County Water District | 1,152 | 0 (not detected) |
| Hopland Public Utility District | 1,076 | 0 (not detected) |
Next steps for Ukiah, CA
Look up your address in Ukiah, City Of'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 Ukiah, City Of 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.