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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 2017-09-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-09-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-09-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-09-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-09-01 → 2017-09-30 |
| MCL | Health-based | Archived | 2015-10-01 → 2015-10-31 |
| MCL | Health-based | Archived | 2015-10-01 → 2015-10-31 |
| MCL | Health-based | Archived | 2011-11-01 → 2011-11-30 |
| MCL | Health-based | Archived | 2011-11-01 → 2011-11-30 |
| MCL | Health-based | Archived | 2011-09-01 → 2011-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 3027.5 µg/L 30% of the EPA limit 10000 µg/L
worst single sample: 3270 µg/L | 116/116 | SYR4 | 2012–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2024 |
| Combined Uranium | 3.3211 µg/L 11% of the EPA limit 30 µg/L
worst single sample: 3.592 µg/L | 15/18 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 3.1605 pCi/L 63% of the EPA limit 5 pCi/L
worst single sample: 3.21 pCi/L | 10/10 | SYR4 | 2012–2018 |
| Fluoride | 1332 µg/L 33% of the EPA limit 4000 µg/L
worst single sample: 1420 µg/L | 9/9 | SYR4 | 2012–2018 |
| Arsenic | 2.811 µg/L 28% of the EPA limit 10 µg/L
worst single sample: 3 µg/L | 7/9 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 2999 µg/L 30% of the EPA limit 10000 µg/L
worst single sample: 3050 µg/L | 7/7 | SYR4 | 2018–2019 |
| Gross Alpha, Excl. Radon And U | 6.45 pCi/L 43% of the EPA limit 15 pCi/L
worst single sample: 7.3 pCi/L | 6/17 | SYR4 | 2012–2018 |
| Lithium | 29.6 µg/L No EPA limit set | 6/8 | UCMR-5 | 2023 |
| Barium | 21.7 µg/L 1.1% of the EPA limit 2000 µg/L | 1/9 | SYR4 | 2012–2018 |
| Chromium | 2.13 µg/L 2.1% of the EPA limit 100 µg/L | 1/9 | SYR4 | 2012–2018 |
| Di(2-ethylhexyl) Phthalate | 1.7 µg/L 28% of the EPA limit 6 µg/L | 1/11 | SYR4 | 2012–2019 |
| Selenium | 2 µg/L 4% of the EPA limit 50 µg/L | 1/9 | SYR4 | 2012–2018 |
89 contaminants tested, none detected
Utility contact
Frequently asked questions about Rexburg City of
Is Rexburg City of tap water safe to drink?
EPA monitoring detected 13 contaminants in Rexburg City of'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 Rexburg City of's water?
EPA monitoring detected Nitrate, Lead, Combined Uranium, Combined Radium (-226 And -228), Fluoride, and others. The full list with the level and data source for each is above.
How many people does Rexburg City of serve?
Rexburg City of reports serving 40,695 people in Idaho, per its EPA record.
Has Rexburg City of had any water quality violations?
The EPA has 225 violations on file for Rexburg City of, of which 20 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.