Navajo Dam Domestic Water Consumers Inc, NM
Lead detected, under the action levels
Latest 90th-percentile lead: 10 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.
Navajo Dam Domestic Water Consumers Inc at a glance
Navajo Dam Domestic Water Consumers Inc serves about 545 people through 183 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in San Juan County, New Mexico. EPA system ID: NM3536724; phone on file: 702-296-4134. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Navajo Dam Domestic Water Consumers Inc's lead record
That is up 6.7 ppb from 3.3 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Navajo Dam Domestic Water Consumers Inc is 10 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 10 ppb |
| 2022 | 3.3 ppb |
| 2019 | 2.2 ppb |
| 2016 | 0 (not detected) |
How Navajo Dam Domestic Water Consumers Inc 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. Navajo Dam Domestic Water Consumers Inc's 10 ppb sits at the 95th percentile in New Mexico and the 97th nationally (higher means more lead).
Other water systems in San Juan County
13 other systems share San Juan County; 0 of them have a higher latest lead result than Navajo Dam Domestic Water Consumers Inc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Farmington Water System | 47,655 | 2.2 ppb |
| Aztec Domestic Water System | 9,673 | 0.7 ppb |
| Bloomfield Water Supply System | 9,536 | 2 ppb |
| Lee Hammond Water | 8,817 | 0.83 ppb |
| Lower Valley Water Users Association | 8,683 | 0.5 ppb |
| Morningstar Water System | 5,694 | 0.55 ppb |
| Northstar Mdwca | 3,784 | 0 (not detected) |
| Flora Vista Mutual Domestic | 3,726 | 0 (not detected) |
| Upper La Plata Water Users Association | 2,265 | 0.6 ppb |
| Southside Mutual Domestic Water | 1,609 | 5 ppb |
Next steps for Navajo Dam, NM
Test your own tap with a certified lab first-draw sample; Navajo Dam, 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 Navajo Dam Domestic Water Consumers 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.