City Of Yuba City, CA
Lead detected, under the action levels
Latest 90th-percentile lead: 0.85 ppb (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. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About City Of Yuba City
City Of Yuba City serves about 70,256 people through 19,166 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 Sutter County, California. EPA system ID: CA5110002; phone on file: 530-822-4759. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2022 (1.1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for City Of Yuba City is 2.3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.85 ppb |
| 2022 | 1.1 ppb |
| 2019 | 1.4 ppb |
| 2016 | 2.3 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. City Of Yuba City's 0.85 ppb sits at the 68th percentile in California and the 48th nationally (higher means more lead).
Neighbouring systems
7 other systems share Sutter County; 5 of them have a higher latest lead result than City Of Yuba City. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Live Oak | 9,687 | 1.3 ppb |
| Sutter Community S.D. | 2,904 | 0 (not detected) |
| Wildewood East Mutual | 350 | 2.5 ppb |
| Golden State Water Co. - Robbins | 207 | 1.6 ppb |
| Tierra Buena Mhp #1 | 50 | 0.45 ppb |
| Yuba Apartment Homes | 40 | 1.2 ppb |
| Harmony Village | 25 | 2.1 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Yuba City, 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 City Of Yuba City 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. What a 90th-percentile result does and does not tell you: how to read a lead result. The action level is dropping - the 10 ppb rule from 2027.