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 | 2008-07-01 → 2008-07-31 |
| MCL | Health-based | Resolved | 2008-07-01 → 2008-07-31 |
| MCL | Health-based | Resolved | 2008-07-01 → 2008-07-31 |
| MCL | Health-based | Resolved | 2008-07-01 → 2008-07-31 |
| MCL | Health-based | Resolved | 2007-08-01 → 2007-08-31 |
| MCL | Health-based | Resolved | 2007-08-01 → 2007-08-31 |
| MCL | Health-based | Resolved | 2007-08-01 → 2007-08-31 |
| MCL | Health-based | Resolved | 2007-08-01 → 2007-08-31 |
| MCL | Health-based | Resolved | 2003-08-01 → 2003-08-31 |
| MCL | Health-based | Resolved | 2003-08-01 → 2003-08-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 75.57 µg/L 94% of the EPA limit 80 µg/L
worst single sample: 105 µg/L | 132/132 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 63 µg/L 105% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 80 µg/L | 131/132 | SYR4 | 2012–2019 |
| Bromodichloromethane | 10.745 µg/L No EPA limit set
worst single sample: 11.7 µg/L | 72/72 | SYR4 | 2013–2019 |
| Chloroform | 60.795 µg/L No EPA limit set
worst single sample: 90.5 µg/L | 72/72 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 23 µg/L No EPA limit set
worst single sample: 35 µg/L | 71/72 | SYR4 | 2013–2019 |
| Dibromochloromethane | 5.265 µg/L No EPA limit set
worst single sample: 8 µg/L | 68/72 | SYR4 | 2013–2019 |
| Copper | 179.55 µg/L 14% of the EPA limit 1300 µg/L
worst single sample: 215 µg/L | 60/60 | SYR4 | 2015–2018 |
| Trichloroacetic Acid | 25.3 µg/L No EPA limit set
worst single sample: 34 µg/L | 59/72 | SYR4 | 2013–2019 |
| Bromoform | 0.9850 µg/L No EPA limit set
worst single sample: 1.2 µg/L | 24/72 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2024 |
| Dibromoacetic Acid | 2.6 µg/L No EPA limit set
worst single sample: 3 µg/L | 9/72 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 10.6 µg/L No EPA limit set
worst single sample: 11 µg/L | 5/72 | SYR4 | 2013–2019 |
| Lead | 4.0295 µg/L 27% of the EPA limit 15 µg/L
worst single sample: 4.09 µg/L | 2/60 | SYR4 | 2015–2018 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about Manassas Park, City of
Is Manassas Park, City of tap water safe to drink?
EPA monitoring detected 15 contaminants in Manassas Park, 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 Manassas Park, City of's water?
EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Manassas Park, City of serve?
Manassas Park, City of reports serving 14,051 people in Virginia, per its EPA record.
Has Manassas Park, City of had any water quality violations?
The EPA has 80 violations on file for Manassas Park, City of, of which 22 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.