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 | 2007-09-01 → 2007-09-30 |
| MCL | Health-based | Resolved | 2007-09-01 → 2007-09-30 |
| MCL | Health-based | Resolved | 2007-09-01 → 2007-09-30 |
| MCL | Health-based | Resolved | 2007-09-01 → 2007-09-30 |
| MCL | Health-based | Resolved | 1999-03-01 → 1999-03-31 |
| MR | Monitoring | Resolved | 2005-02-01 → 2005-02-28 |
| MR | Monitoring | Resolved | 2005-02-01 → 2005-02-28 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.00078 mg/L 5.2% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2023 |
| Copper | 498.188 µg/L 38% of the EPA limit 1300 µg/L
worst single sample: 648 µg/L | 14/16 | SYR4 | 2012–2019 |
| Lead | 0.9800 µg/L 6.5% of the EPA limit 15 µg/L
worst single sample: 1.06 µg/L | 11/16 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1265.8 µg/L 13% of the EPA limit 10000 µg/L
worst single sample: 1478.93 µg/L | 8/16 | SYR4 | 2012–2019 |
| Barium | 45.6 µg/L 2.3% of the EPA limit 2000 µg/L
worst single sample: 50.9 µg/L | 6/6 | SYR4 | 2012–2019 |
| Xylenes, Total | 313.648 µg/L 3.1% of the EPA limit 10000 µg/L
worst single sample: 390 µg/L | 5/17 | SYR4 | 2012–2019 |
| Fluoride | 346 µg/L 8.6% of the EPA limit 4000 µg/L
worst single sample: 370 µg/L | 4/6 | SYR4 | 2012–2019 |
| TTHM | 48.64 µg/L 61% of the EPA limit 80 µg/L
worst single sample: 55 µg/L | 4/4 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 36.3069 µg/L 61% of the EPA limit 60 µg/L
worst single sample: 39.701 µg/L | 3/4 | SYR4 | 2012–2019 |
| Bromodichloromethane | 19.55 µg/L No EPA limit set
worst single sample: 20.43 µg/L | 2/2 | SYR4 | 2016–2019 |
| Chloroform | 23.612 µg/L No EPA limit set
worst single sample: 24.69 µg/L | 2/2 | SYR4 | 2016–2019 |
| Dibromochloromethane | 8.1705 µg/L No EPA limit set
worst single sample: 8.51 µg/L | 2/2 | SYR4 | 2016–2019 |
| Dichloroacetic Acid | 19.8946 µg/L No EPA limit set
worst single sample: 20.789 µg/L | 2/2 | SYR4 | 2016–2019 |
| Nitrate | 690 µg/L 6.9% of the EPA limit 10000 µg/L | 2/2 | SYR4 | 2014 |
| Trichloroacetic Acid | 2.7287 µg/L No EPA limit set
worst single sample: 2.816 µg/L | 2/2 | SYR4 | 2016–2019 |
| Bromoform | 1.37 µg/L No EPA limit set | 1/2 | SYR4 | 2016–2019 |
| Combined Radium (-226 And -228) | 0.3900 pCi/L 7.8% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2016 |
| Dibromoacetic Acid | 3.587 µg/L No EPA limit set | 1/2 | SYR4 | 2016–2019 |
| Ethylbenzene | 0.9600 µg/L 0.1% of the EPA limit 700 µg/L | 1/17 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon And U | 5.4 pCi/L 36% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2016 |
| Gross Beta Particle Activity | 11.5 pCi/L No EPA limit set | 1/1 | SYR4 | 2016 |
| Monochloroacetic Acid | 12.509 µg/L No EPA limit set | 1/2 | SYR4 | 2016–2019 |
30 contaminants tested, none detected
Utility contact
Frequently asked questions about Columbia
Is Columbia tap water safe to drink?
EPA monitoring detected 22 contaminants in Columbia'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 Columbia's water?
EPA monitoring detected Lead, Copper, Lead, Nitrate-Nitrite, Barium, and others. The full list with the level and data source for each is above.
How many people does Columbia serve?
Columbia reports serving 110 people in Virginia, per its EPA record.
Has Columbia had any water quality violations?
The EPA has 7 violations on file for Columbia, 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.