Lake Francis Mutual Water Company, 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.
Lake Francis Mutual Water Company at a glance
Lake Francis Mutual Water Company serves about 60 people through 21 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Yuba County, California. EPA system ID: CA5800805; phone on file: 530-324-5511. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Lake Francis Mutual Water Company is 750 ppb across 3 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2016 | 750 ppb over 15 |
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. Lake Francis Mutual Water Company's reported as 0 (not detected) sits at the 10th percentile in California and the 5th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
20 other systems share Yuba County; 13 of them have a higher latest lead result than Lake Francis Mutual Water Company. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Linda County Water District | 21,654 | 1.69 ppb |
| Olivehurst Public Utility District | 16,595 | 0 (not detected) |
| Cal-Water Service Co.-Marysville | 12,888 | 0 (not detected) |
| Plumas Lake | 11,374 | 0 (not detected) |
| City Of Wheatland | 4,124 | 0.63 ppb |
| North Yuba Water District | 2,772 | 2.43 ppb |
| Beale Air Force Base | 2,000 | 0 (not detected) |
| River Highlands Csd | 200 | 0 (not detected) |
| Castlewood Mobile Home Park | 200 | 0.5 ppb |
| Countryside Mobile Home Park | 185 | 2.5 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Dobbins, 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 Lake Francis Mutual Water Company 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. More in what a past exceedance means today.