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 | 2022-10-01 |
| Other | Monitoring | Resolved | 2008-07-01 |
| MR | Monitoring | Resolved | 2008-04-01 |
| MR | Monitoring | Resolved | 2008-04-01 → 2008-04-30 |
| MR | Monitoring | Resolved | 2008-04-01 → 2008-04-30 |
| MR | Monitoring | Resolved | 2008-04-01 → 2008-04-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2019 |
| TTHM | 13.1 µg/L 16% of the EPA limit 80 µg/L
worst single sample: 18.7 µg/L | 11/17 | SYR4 | 2012–2019 |
| Chloroform | 13.125 µg/L No EPA limit set
worst single sample: 16.5 µg/L | 6/12 | SYR4 | 2012–2014 |
| Total Haloacetic Acids (HAA5) | 9.45 µg/L 16% of the EPA limit 60 µg/L
worst single sample: 11.6 µg/L | 6/17 | SYR4 | 2012–2019 |
| Barium | 7.07 µg/L 0.4% of the EPA limit 2000 µg/L
worst single sample: 7.3 µg/L | 3/5 | SYR4 | 2014–2019 |
| Fluoride | 625 µg/L 16% of the EPA limit 4000 µg/L
worst single sample: 640 µg/L | 3/3 | SYR4 | 2014–2016 |
| Bromodichloromethane | 2.13 µg/L No EPA limit set
worst single sample: 2.2 µg/L | 2/12 | SYR4 | 2012–2014 |
| Chromium | 2.3 µg/L 2.3% of the EPA limit 100 µg/L | 1/5 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 5.7 µg/L No EPA limit set | 1/12 | SYR4 | 2012–2014 |
| Trichloroacetic Acid | 5.9 µg/L No EPA limit set | 1/12 | SYR4 | 2012–2014 |
62 contaminants tested, none detected
Utility contact
Frequently asked questions about Herald Harbor
Is Herald Harbor tap water safe to drink?
EPA monitoring detected 10 contaminants in Herald Harbor'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 Herald Harbor's water?
EPA monitoring detected Lead, TTHM, Chloroform, Total Haloacetic Acids (HAA5), Barium, and others. The full list with the level and data source for each is above.
How many people does Herald Harbor serve?
Herald Harbor reports serving 2,241 people in Maryland, per its EPA record.
Has Herald Harbor had any water quality violations?
The EPA has 6 violations on file for Herald Harbor, 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.