What was found in Crownpoint, Littlewater, Three Mile Poin's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 655.5 µg/L 16% of the EPA limit 4000 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2017 | 1/1 | SYR4 |
| Nitrite | 338 µg/L 34% of the EPA limit 1000 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2019 | 1/1 | SYR4 |
| Barium | 65.6 µg/L 3.3% of the EPA limit 2000 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2017 | 1/1 | SYR4 |
| Lithium | 53 µg/L No EPA limit set Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2024 | 1/1 | UCMR-5 |
| Combined Uranium | 28.37 µg/L 95% of the EPA limit 30 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2019 | 1/1 | SYR4 |
| Chromium | 19 µg/L 19% of the EPA limit 100 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2017 | 1/1 | SYR4 |
| Selenium | 18.9 µg/L 38% of the EPA limit 50 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2017 | 1/1 | SYR4 |
| Arsenic | 11.1 µg/L 111% of the EPA limit, at the 95th percentile of samples — 10 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2017 | 1/1 | SYR4 |
| TTHM | 4.46 µg/L 5.6% of the EPA limit 80 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 3.595 pCi/L 24% of the EPA limit 15 pCi/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2019 | 1/1 | SYR4 |
| Mercury | 0.4900 µg/L 25% of the EPA limit 2 µg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2017 | 1/1 | SYR4 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L Main supplier: Crownpoint-Littlewater-Three Mile Point NTUA · 3,950 people · 2025 | 1/1 | LCR |
Water suppliers serving Crownpoint, Littlewater, Three Mile Poin
| Supplier | Population served |
|---|---|
| Crownpoint-Littlewater-Three Mile Point NTUA | 3,950 |
Frequently asked questions about Crownpoint, Littlewater, Three Mile Poin tap water
Is Crownpoint, Littlewater, Three Mile Poin tap water safe to drink?
EPA testing detected 12 contaminants in the water serving Crownpoint, Littlewater, Three Mile Poin. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Crownpoint, Littlewater, Three Mile Poin?
1 public water supplier report drinking-water monitoring for Crownpoint, Littlewater, Three Mile Poin, New Mexico to the EPA. Each is listed above with its population served.
What contaminants are in Crownpoint, Littlewater, Three Mile Poin's water?
The contaminants EPA monitoring detected in Crownpoint, Littlewater, Three Mile Poin include Fluoride, Nitrite, Barium, Lithium, Combined Uranium. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.