Laytonville County Water District, CA
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2025). 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.
About Laytonville County Water District
Laytonville County Water District serves about 1,152 people through 453 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 Mendocino County, California. EPA system ID: CA2310011; phone on file: 707-984-6444. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Laytonville County Water District is 23 ppb across 6 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2017 | 0 (not detected) |
| 2016 | 23 ppb over 15 |
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. Laytonville County Water District's reported as 0 (not detected) sits at the 43rd percentile in California and the 28th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
40 other systems share Mendocino County; 6 of them have a higher latest lead result than Laytonville County Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ukiah, City Of | 16,067 | 0 (not detected) |
| 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) |
| Hopland Public Utility District | 1,076 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Laytonville, 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 Laytonville County Water District 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.