Indian Oaks Trailer Park, 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 Indian Oaks Trailer Park
Indian Oaks Trailer Park serves about 5 people through 63 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Riverside County, California. EPA system ID: CA3301330; phone on file: 951-409-4222. 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 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Indian Oaks Trailer Park is 22 ppb across 7 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2022 | 22 ppb over 15 |
| 2022 | 22 ppb over 15 |
| 2019 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 8 ppb |
How Indian Oaks Trailer Park compares
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. Indian Oaks Trailer Park's reported as 0 (not detected) sits at the 0th percentile in California and the 0th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
92 other systems share Riverside County; 33 of them have a higher latest lead result than Indian Oaks Trailer Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Eastern Municipal Wd | 659,923 | 2.8 ppb |
| Riverside, City Of | 302,776 | 1 ppb |
| Coachella Vwd: Cove Community | 270,000 | 0 (not detected) |
| Elsinore Valley Mwd | 169,455 | 1.3 ppb |
| Corona, City Of | 169,380 | 1.8 ppb |
| Rancho California Water District | 146,147 | 0 (not detected) |
| Jurupa Community Sd | 134,638 | 0 (not detected) |
| Indio Water Authority | 89,137 | 0 (not detected) |
| Western Mwd | 87,955 | 1.3 ppb |
| Desert Water Agency | 75,588 | 0 (not detected) |
Next steps for Murrieta, CA
Test your own tap with a certified lab first-draw sample; Murrieta, 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 Indian Oaks Trailer Park 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. More in what a past exceedance means today.