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 | 2007-10-01 → 2007-10-31 |
| MCL | Health-based | Resolved | 2007-10-01 → 2007-10-31 |
| MCL | Health-based | Resolved | 2007-10-01 → 2007-10-31 |
| RPT | Monitoring | Resolved | 2021-05-11 |
| RPT | Monitoring | Resolved | 2021-05-11 |
| MR | Monitoring | Resolved | 2017-01-01 → 2017-12-31 |
| MR | Monitoring | Resolved | 2017-01-01 → 2017-12-31 |
| MR | Monitoring | Resolved | 2017-01-01 → 2017-12-31 |
| MR | Monitoring | Resolved | 2017-01-01 → 2017-12-31 |
| MR | Monitoring | Resolved | 2017-01-01 → 2017-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 404 µg/L 31% of the EPA limit 1300 µg/L
worst single sample: 670 µg/L | 15/15 | SYR4 | 2012–2017 |
| Lead | 7.34 µg/L 49% of the EPA limit 15 µg/L
worst single sample: 8.6 µg/L | 15/15 | SYR4 | 2012–2017 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2023 |
| Barium | 61.91 µg/L 3.1% of the EPA limit 2000 µg/L
worst single sample: 64.4 µg/L | 4/4 | SYR4 | 2017–2018 |
| Chromium | 2.295 µg/L 2.3% of the EPA limit 100 µg/L
worst single sample: 2.4 µg/L | 4/4 | SYR4 | 2017–2018 |
| Fluoride | 385 µg/L 9.6% of the EPA limit 4000 µg/L
worst single sample: 400 µg/L | 4/4 | SYR4 | 2017–2018 |
| TTHM | 1.2355 µg/L 1.5% of the EPA limit 80 µg/L
worst single sample: 1.25 µg/L | 2/3 | SYR4 | 2013–2017 |
| Nitrite | 110 µg/L 11% of the EPA limit 1000 µg/L | 1/4 | SYR4 | 2017–2018 |
| Selenium | 0.6000 µg/L 1.2% of the EPA limit 50 µg/L | 1/4 | SYR4 | 2017–2018 |
| Total Haloacetic Acids (HAA5) | 3.89 µg/L 6.5% of the EPA limit 60 µg/L | 1/3 | SYR4 | 2013–2017 |
7 contaminants tested, none detected
Utility contact
Frequently asked questions about T C & G Rural Water
Is T C & G Rural Water tap water safe to drink?
EPA monitoring detected 10 contaminants in T C & G Rural Water'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 T C & G Rural Water's water?
EPA monitoring detected Copper, Lead, Lead, Barium, Chromium, and others. The full list with the level and data source for each is above.
How many people does T C & G Rural Water serve?
T C & G Rural Water reports serving 166 people in South Dakota, per its EPA record.
Has T C & G Rural Water had any water quality violations?
The EPA has 122 violations on file for T C & G Rural Water, of which 3 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.