Delta Mobile Home Pk & Apt, CA
Exceeded the action level in the past
Latest 90th-percentile lead: 1.67 ppb (monitoring period 2025-2025). 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.
Delta Mobile Home Pk & Apt at a glance
Delta Mobile Home Pk & Apt serves about 230 people through 87 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Leflore County, California. EPA system ID: MS0420020; phone on file: 949-760-4015. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2024 (1.6 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Delta Mobile Home Pk & Apt is 20 ppb across 13 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.67 ppb |
| 2024 | 1.6 ppb |
| 2023 | 4.9 ppb |
| 2022 | 5.1 ppb |
| 2022 | 3.4 ppb |
| 2021 | 1.8 ppb |
| 2021 | 2.5 ppb |
| 2020 | 1.6 ppb |
| 2019 | 20 ppb over 15 |
| 2018 | 1 ppb |
| 2017 | 0.5 ppb |
| 2017 | 1.1 ppb |
| 2016 | 18.6 ppb over 15 |
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. Delta Mobile Home Pk & Apt's 1.67 ppb sits at the 76th percentile in California and the 66th nationally (higher means more lead).
Next steps for Corona Del Mar, CA
Test your own tap with a certified lab first-draw sample; Corona Del Mar, 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 Delta Mobile Home Pk & Apt 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. More in what a past exceedance means today.