City Of Vacaville, 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 City Of Vacaville
City Of Vacaville serves about 99,650 people through 30,935 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 Solano County, California. EPA system ID: CA4810008; phone on file: 707-469-6404. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for City Of Vacaville is 0 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
| 2016 | 0 (not detected) |
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 Vacaville's reported as 0 (not detected) sits at the 61st percentile in California and the 40th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
25 other systems share Solano County; 7 of them have a higher latest lead result than City Of Vacaville. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Vallejo | 121,420 | 0 (not detected) |
| City Of Fairfield | 120,720 | 0 (not detected) |
| Suisun-Solano Water Authority | 29,105 | 0 (not detected) |
| City Of Benicia | 27,131 | 2.3 ppb |
| California Water Service Co.-Travis Afb | 18,111 | 1.7 ppb |
| City Of Dixon | 12,540 | 0 (not detected) |
| City Of Rio Vista | 11,206 | 0 (not detected) |
| California Water Service Co. - Dixon | 10,623 | 0 (not detected) |
| California State Prison - Solano | 3,882 | 0 (not detected) |
| City Of Vallejo-Lakes System | 2,800 | 0 (not detected) |
Next steps for Elmira, CA
Look up your address in City Of Vacaville'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 City Of Vacaville 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. Small systems behave differently: why small systems go over more often.