Rio Chiquito Mdwca, NM
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). 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
Rio Chiquito Mdwca serves about 152 people through 54 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Santa Fe County, New Mexico. EPA system ID: NM3504926; phone on file: 505-670-1521. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Rio Chiquito Mdwca's lead record
That is down 1.6 ppb from 1.6 ppb in the period ending 2018. The highest 90th-percentile result EPA holds for Rio Chiquito Mdwca is 1.6 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2018 | 1.6 ppb |
How Rio Chiquito Mdwca compares
Of the 504 New Mexico systems with a lead result, the median latest reading is 1.4 ppb; 14 are over 15 ppb right now and 46 have gone over at some point. Rio Chiquito Mdwca's reported as 0 (not detected) sits at the 10th percentile in New Mexico and the 13th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Santa Fe County
42 other systems share Santa Fe County; 33 of them have a higher latest lead result than Rio Chiquito Mdwca. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Santa Fe Water System (City Of) | 90,810 | 1.1 ppb |
| Eldorado Area Water And Sanitation Dist. | 7,082 | 1.9 ppb |
| Epcor Water New Mexico Inc., Edgewood | 6,795 | 10 ppb |
| Santa Fe County South Sector | 6,775 | 3.3 ppb |
| Santa Fe County West Sector | 3,150 | 5 ppb |
| Glorieta Camps | 2,700 | 11 ppb |
| Las Campanas Water System | 1,937 | 1.6 ppb |
| Sunlit Hills Water System | 1,018 | 2.8 ppb |
| Agua Fria Water Association | 611 | 2.6 ppb |
| El Vadito De Los Cerrillos Water Assoc | 461 | 1.3 ppb |
Next steps for Chimayo, NM
Look up your address in Rio Chiquito Mdwca'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 Rio Chiquito Mdwca 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Small systems behave differently: why small systems go over more often.