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 | Archived | 1992-09-01 → 1992-09-30 |
| MCL | Health-based | Archived | 1992-05-01 → 1992-05-31 |
| Other | Monitoring | Resolved | 2022-12-23 |
| Other | Monitoring | Resolved | 2022-12-23 |
| Other | Monitoring | Resolved | 2022-12-23 |
| MR | Monitoring | Archived | 2017-01-01 → 2019-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2019-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2019-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2019-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2019-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 745 µg/L 7.5% of the EPA limit 10000 µg/L
worst single sample: 800 µg/L | 32/150 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2023 |
| Lithium | 78.1 µg/L No EPA limit set | 14/16 | UCMR-5 | 2024 |
| Fluoride | 426 µg/L 11% of the EPA limit 4000 µg/L
worst single sample: 480 µg/L | 10/10 | SYR4 | 2013–2019 |
| TTHM | 8.179 µg/L 10% of the EPA limit 80 µg/L
worst single sample: 9.25 µg/L | 10/28 | SYR4 | 2012–2019 |
| Arsenic | 4.18 µg/L 42% of the EPA limit 10 µg/L
worst single sample: 4.4 µg/L | 5/13 | SYR4 | 2013–2019 |
| Combined Uranium | 5.8 µg/L 19% of the EPA limit 30 µg/L
worst single sample: 6 µg/L | 5/13 | SYR4 | 2013–2019 |
| Chromium | 2 µg/L 2% of the EPA limit 100 µg/L | 2/10 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 685 µg/L 6.9% of the EPA limit 10000 µg/L
worst single sample: 700 µg/L | 2/9 | SYR4 | 2019 |
| Barium | 60 µg/L 3% of the EPA limit 2000 µg/L | 1/10 | SYR4 | 2013–2019 |
| Xylenes, Total | 1.3 µg/L 0% of the EPA limit 10000 µg/L | 1/24 | SYR4 | 2012–2019 |
80 contaminants tested, none detected
Utility contact
Frequently asked questions about Garden City Water and Sewer
Is Garden City Water and Sewer tap water safe to drink?
EPA monitoring detected 18 contaminants in Garden City Water and Sewer'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 Garden City Water and Sewer's water?
EPA monitoring detected Nitrate, Lead, Lithium, Fluoride, TTHM, and others. The full list with the level and data source for each is above.
How many people does Garden City Water and Sewer serve?
Garden City Water and Sewer reports serving 12,500 people in Idaho, per its EPA record.
Has Garden City Water and Sewer had any water quality violations?
The EPA has 246 violations on file for Garden City Water and Sewer, of which 2 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.