Rite Of Passage/Sierra Ridge, CA
Above the federal action level
Latest 90th-percentile lead: 16 ppb (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. In the most recent monitoring period, more than 10% of the sampled homes measured above 15 ppb. Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking now, and test your own tap.
Who runs the water here
Rite Of Passage/Sierra Ridge serves about 65 people through 13 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws surface water, in Calaveras County, California. EPA system ID: CA0500091; phone on file: 209-736-4500. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 16 ppb from 0 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Rite Of Passage/Sierra Ridge is 30 ppb across 4 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 16 ppb over 15 |
| 2023 | 0 (not detected) |
| 2017 | 0 (not detected) |
| 2017 | 30 ppb over 15 |
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. Rite Of Passage/Sierra Ridge's 16 ppb sits at the 99th percentile in California and the 99th nationally (higher means more lead).
Nearby utilities
18 other systems share Calaveras County; 0 of them have a higher latest lead result than Rite Of Passage/Sierra Ridge. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ccwd - Ebbetts Pass | 11,545 | 1.85 ppb |
| Ccwd - Jenny Lind | 9,861 | 0 (not detected) |
| Calaveras Pud | 6,286 | 0 (not detected) |
| Ccwd - Copper Cove | 5,187 | 1.76 ppb |
| Blue Lake Springs Mut Wtr | 4,822 | 15 ppb |
| Union Public Utility District | 4,774 | 0 (not detected) |
| Angels, City Of | 3,836 | 0 (not detected) |
| Ccwd - West Point | 1,043 | 4.03 ppb |
| Valley Springs Pud | 900 | 0 (not detected) |
| Snowshoe Springs Assn. | 686 | 0 (not detected) |
Next steps for San Andreas, CA
Use a filter certified to NSF/ANSI 53 for lead on the tap you drink and cook from, now, before you test. Then test your own tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Rite Of Passage/Sierra Ridge 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. Systems that went over once often dip back under; here is what that means.