Greater Glorieta Regional Mdc, NM
Lead detected, under the action levels
Latest 90th-percentile lead: 4 ppb (monitoring period 2026-2026). 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.
Who runs the water here
Greater Glorieta Regional Mdc serves about 153 people through 65 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: NM3504526; phone on file: 575-644-2210. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 5 ppb from 9 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Greater Glorieta Regional Mdc is 9 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 4 ppb |
| 2025 | 9 ppb |
| 2024 | 3.3 ppb |
| 2021 | 6.5 ppb |
| 2020 | 4.8 ppb |
| 2018 | 5.3 ppb |
How Greater Glorieta Regional Mdc 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. Greater Glorieta Regional Mdc's 4 ppb sits at the 82nd percentile in New Mexico and the 87th nationally (higher means more lead).
Other water systems in Santa Fe County
42 other systems share Santa Fe County; 10 of them have a higher latest lead result than Greater Glorieta Regional Mdc. 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 |
Your move
Test your own tap with a certified lab first-draw sample; Glorieta, NM 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 Greater Glorieta Regional Mdc 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. Systems that went over once often dip back under; here is what that means.