Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| MCL | Health-based | Archived | 1988-07-01 → 1988-09-30 |
| MR | Monitoring | Archived | 2026-01-01 → 2026-01-31 |
| MR | Monitoring | Archived | 2025-10-01 → 2025-12-31 |
| MR | Monitoring | Archived | 2025-10-01 → 2025-12-31 |
| MR | Monitoring | Archived | 2025-10-01 → 2025-12-31 |
| MR | Monitoring | Archived | 2025-10-01 → 2025-12-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0054 µg/L | 1/2 | 2023 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 194 µg/L 15% of the EPA limit 1300 µg/L
worst single sample: 3000 µg/L | 27/31 | SYR4 | 2013–2017 |
| TTHM | 52.825 µg/L 66% of the EPA limit 80 µg/L
worst single sample: 63.7 µg/L | 16/16 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 9.973 µg/L 17% of the EPA limit 60 µg/L
worst single sample: 11.8 µg/L | 15/15 | SYR4 | 2012–2019 |
| Lead | 0.0057 mg/L 38% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2026 |
| Lead | 6.885 µg/L 46% of the EPA limit 15 µg/L
worst single sample: 7.2 µg/L | 4/31 | SYR4 | 2013–2017 |
| Nitrate | 300 µg/L 3% of the EPA limit 10000 µg/L | 4/16 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) Phthalate | 3.065 µg/L 51% of the EPA limit 6 µg/L
worst single sample: 3.1 µg/L | 2/6 | SYR4 | 2017–2019 |
| Nitrate-Nitrite | 299 µg/L 3% of the EPA limit 10000 µg/L
worst single sample: 300 µg/L | 2/8 | SYR4 | 2012–2019 |
| Lithium | 120 µg/L No EPA limit set | 2/2 | UCMR-5 | 2023 |
| Barium | 30 µg/L 1.5% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2014 |
| Bromodichloromethane | 5.9 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Bromoform | 1.9 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Chloroform | 3.9 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Dibromochloromethane | 7 µg/L No EPA limit set | 1/1 | SYR4 | 2019 |
| Fluoride | 380 µg/L 9.5% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2014 |
| Gross Alpha, Excl. Radon And U | 3.5 pCi/L 23% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2016 |
| Selenium | 3.7 µg/L 7.4% of the EPA limit 50 µg/L | 1/1 | SYR4 | 2014 |
88 contaminants tested, none detected
Utility contact
Frequently asked questions about Glen Canyon Nra Wahweap
Is Glen Canyon Nra Wahweap tap water safe to drink?
EPA monitoring detected 18 contaminants in Glen Canyon Nra Wahweap's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Glen Canyon Nra Wahweap's water?
EPA monitoring detected Copper, TTHM, Total Haloacetic Acids (HAA5), Lead, Lead, and others. The full list with the level and data source for each is above.
How many people does Glen Canyon Nra Wahweap serve?
Glen Canyon Nra Wahweap reports serving 579 people in Arizona, per its EPA record.
Has Glen Canyon Nra Wahweap had any water quality violations?
The EPA has 385 violations on file for Glen Canyon Nra Wahweap, of which 5 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
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.