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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2016-10-01 |
| MR | Monitoring | Resolved | 2016-10-01 |
| MR | Monitoring | Resolved | 2016-10-01 |
| MR | Monitoring | Resolved | 2008-05-01 → 2008-05-31 |
| MR | Monitoring | Resolved | 2008-05-01 → 2008-05-31 |
| MR | Monitoring | Resolved | 2008-05-01 → 2008-05-31 |
| MR | Monitoring | Resolved | 2008-05-01 → 2008-05-31 |
| MR | Monitoring | Resolved | 2008-04-01 → 2008-06-30 |
| MR | Monitoring | Resolved | 2008-04-01 → 2008-06-30 |
| MR | Monitoring | Resolved | 2008-04-01 → 2008-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 76.5 µg/L 5.9% of the EPA limit 1300 µg/L | 47/47 | SYR4 | 2013–2019 |
| Lead | 3.46 µg/L 23% of the EPA limit 15 µg/L | 34/47 | SYR4 | 2013–2019 |
| TTHM | 73 µg/L 91% of the EPA limit 80 µg/L | 32/32 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 48 µg/L 80% of the EPA limit 60 µg/L | 32/32 | SYR4 | 2012–2019 |
| Bromodichloromethane | 20 µg/L No EPA limit set | 22/22 | SYR4 | 2014–2019 |
| Chloroform | 62 µg/L No EPA limit set | 22/22 | SYR4 | 2014–2019 |
| Dibromochloromethane | 6.6 µg/L No EPA limit set | 22/22 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 24.4 µg/L No EPA limit set | 22/22 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 23.3 µg/L No EPA limit set | 22/22 | SYR4 | 2014–2019 |
| Monochloroacetic Acid | 2.9 µg/L No EPA limit set | 19/22 | SYR4 | 2014–2019 |
| Lead | 0.00060 mg/L 4% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2025 |
| Dibromoacetic Acid | 1.5 µg/L No EPA limit set | 5/22 | SYR4 | 2014–2019 |
| Bromoform | 0.7000 µg/L No EPA limit set | 1/22 | SYR4 | 2014–2019 |
1 contaminants tested, none detected
Utility contact
Frequently asked questions about Arlington County - Willston Area
Is Arlington County - Willston Area tap water safe to drink?
EPA monitoring detected 13 contaminants in Arlington County - Willston Area'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 Arlington County - Willston Area's water?
EPA monitoring detected Copper, Lead, TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Arlington County - Willston Area serve?
Arlington County - Willston Area reports serving 1,352 people in Virginia, per its EPA record.
Has Arlington County - Willston Area had any water quality violations?
The EPA has 38 violations on file for Arlington County - Willston Area, of which 0 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.