Green Ridge Mdwca, Inc., NM
Lead detected, under the action levels
Latest 90th-percentile lead: 6 ppb (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. 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.
About Green Ridge Mdwca, Inc.
Green Ridge Mdwca, Inc. serves about 154 people through 61 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 Bernalillo County, New Mexico. EPA system ID: NM3502401; phone on file: 505-281-6896. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 5 ppb from 1 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Green Ridge Mdwca, Inc. is 6 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 6 ppb |
| 2021 | 1 ppb |
| 2019 | 1 ppb |
Against other New Mexico systems
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. Green Ridge Mdwca, Inc.'s 6 ppb sits at the 90th percentile in New Mexico and the 93rd nationally (higher means more lead).
Other water systems in Bernalillo County
41 other systems share Bernalillo County; 3 of them have a higher latest lead result than Green Ridge Mdwca, Inc.. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Albuquerque Water System | 560,326 | 0 (not detected) |
| University Of New Mexico | 35,000 | 1.1 ppb |
| Kirtland Air Force Base | 22,500 | 2.3 ppb |
| Sandia Peak Utility | 6,079 | 2.8 ppb |
| Tierra West Estates Mhp | 1,447 | 1 ppb |
| Sandia Knolls Water System | 1,098 | 1.1 ppb |
| Tranquillo Pines Mdwca | 814 | 3.3 ppb |
| Coronado Village Country Club | 802 | 2.1 ppb |
| Tijeras (Village Of) | 541 | 1 ppb |
| South Hills Water Company | 506 | 0 (not detected) |
Next steps for Tijeras, NM
Test your own tap with a certified lab first-draw sample; Tijeras, 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 Green Ridge Mdwca, Inc. 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. The action level is dropping - the 10 ppb rule from 2027.