Chalet Mobile Home Park, CA
Lead detected, under the action levels
Latest 90th-percentile lead: 6 ppb (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. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Chalet Mobile Home Park at a glance
Chalet Mobile Home Park serves about 60 people through 24 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Blaine County, California. EPA system ID: ID5070012; phone on file: 661-547-9567. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 6 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Chalet Mobile Home Park is 6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 6 ppb |
| 2022 | 0 (not detected) |
| 2019 | 3 ppb |
| 2016 | 4 ppb |
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. Chalet Mobile Home Park's 6 ppb sits at the 94th percentile in California and the 93rd nationally (higher means more lead).
Nearby utilities
1 other system shares Blaine County; 0 of them have a higher latest lead result than Chalet Mobile Home Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Suntree Hollow Mobile Home Court | 60 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; San Diego, 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 Chalet 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. What a 90th-percentile result does and does not tell you: how to read a lead result. The action level is dropping - the 10 ppb rule from 2027.