Rancho Calimesa Mobile Home Park, CA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2013-2021). 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.
Who runs the water here
Rancho Calimesa Mobile Home Park serves about 296 people through 207 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: CA3301534; phone on file: 909-795-4363. They can tell you what your service line is made of and whether they pay to replace it.
Rancho Calimesa Mobile Home Park's lead record
The highest 90th-percentile result EPA holds for Rancho Calimesa Mobile Home Park is 0 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2021 | 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. Rancho Calimesa Mobile Home Park's reported as 0 (not detected) sits at the 32nd percentile in California and the 18th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Riverside County
92 other systems share Riverside County; 33 of them have a higher latest lead result than Rancho Calimesa Mobile Home 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 Calimesa, CA
Look up your address in Rancho Calimesa Mobile Home Park'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 Rancho Calimesa Mobile Home 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. The lead result guide covers how utilities pick the homes they sample. Small systems behave differently: why small systems go over more often.