Riviere Estates, CO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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 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.
Riviere Estates at a glance
Riviere Estates serves about 211 people through 105 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Rio Grande County, Colorado. EPA system ID: CO0253690; phone on file: 719-873-0152. 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 Riviere Estates is 0 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2025 | 0 (not detected) |
Against other Colorado systems
Of the 1,025 Colorado systems with a lead result, the median latest reading is 1 ppb; 2 are over 15 ppb right now and 71 have gone over at some point. Riviere Estates's reported as 0 (not detected) sits at the 13th percentile in Colorado and the 16th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
7 other systems share Rio Grande County; 3 of them have a higher latest lead result than Riviere Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Monte Vista City Of | 4,600 | 0 (not detected) |
| Del Norte Town Of | 1,429 | 1 ppb |
| South Fork West Municipal Town Of | 566 | 0 (not detected) |
| Rio Grande Water Company | 265 | 3 ppb |
| Indian Trails Water Llc | 110 | 1.5 ppb |
| Pacheco Trailer Park | 36 | - |
| G And M Mobile Home Park | 30 | 0 (not detected) |
Next steps for South Fork, CO
Look up your address in Riviere Estates'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 Riviere Estates 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. A zero today does not rule out a jump later - the rules are tightening in 2027.