River Highlands Csd, CA
Lead reported as not detected
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 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 River Highlands Csd
River Highlands Csd serves about 200 people through 84 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Yuba County, California. EPA system ID: CA5800820; phone on file: 530-749-5493. They can tell you what your service line is made of and whether they pay to replace it.
River Highlands Csd's lead record
That is down 13.4 ppb from 13.4 ppb in the period ending 2016. The highest 90th-percentile result EPA holds for River Highlands Csd is 13.4 ppb across 2 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2016 | 13.4 ppb over 10 |
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. River Highlands Csd's reported as 0 (not detected) sits at the 28th percentile in California and the 15th 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 River Highlands Csd. 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) |
| Castlewood Mobile Home Park | 200 | 0.5 ppb |
| Countryside Mobile Home Park | 185 | 2.5 ppb |
| Camptonville Community Serv Dist | 180 | 10 ppb |
Next steps for Marysville, CA
Look up your address in River Highlands Csd'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 River Highlands Csd 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. A zero today does not rule out a jump later - the rules are tightening in 2027.