Harford County D.p.w.
Abingdon, Maryland · PWSID: MD0120016
Abingdon Water Quality Summary
Harford County D.p.w. supplies drinking water to about 104,567 people in Abingdon, Maryland, and draws from surface water (rivers, lakes, or reservoirs), which requires fuller treatment for runoff, sediment, and microbial risk. On the IsWaterSafe scale it earns a good Water Safety Score of 80 out of 100 (Grade B), a composite of its EPA SDWIS violation and contaminant record.
EPA SDWIS shows no health-based or monitoring violations on record for Harford County D.p.w., though 7 enforcement actions are logged in its history.
Across the 3 substances sampled, none exceeded its EPA limit. Total Trihalomethanes sits highest relative to its ceiling, detected at 40 ppb against an MCL of 80 ppb (sampled July 2024) — within the legal limit.
The most pressing open issue is a treatment technique violation involving Total Trihalomethanes, beginning July 2024 and still open in EPA records.
Track Harford County D.p.w.
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Detected Contaminants
| Contaminant | Detected Level | MCL (Limit) | Status | Sample Date |
|---|---|---|---|---|
| Total Trihalomethanes | 40 ppb | 80 ppb | Within Limit | Jul 1, 2024 |
| Haloacetic Acids (HAA5) | 30 ppb | 60 ppb | Within Limit | Jul 1, 2024 |
| Nitrate | 5 ppm | 10 ppm | Within Limit | Apr 1, 2022 |
Violation History
Frequently Asked Questions
Harford County D.p.w. has a Water Safety Score of B (80/100). The system serves 104,567 people and has 0 health violations on record. Check the contaminant table above for specific detected substances.
Harford County D.p.w. has 0 contaminant exceedances above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.
The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.
If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.
Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.
Source: EPA Ground Water and Drinking Water, 2026.