Tap Water Quality Report
Tap water quality in ABINGDON, Maryland
Tap water in ABINGDON, Maryland receives a grade of C (74/100) from TapWaterSafety.org. It's served by HARFORD COUNTY D.P.W.. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Arsenic detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ABINGDON's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving ABINGDON.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 30.9 ppb, 514x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 18.8 ppb, 188x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 24.3 ppb, 162x above the EWG health guideline of 0.15 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.0833 ppb.
EPA compliance record
Official U.S. EPA records for HARFORD COUNTY D.P.W. (system ID MD0120016) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Missed testing or reporting | 07/01/2024 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for ABINGDON
Filters matched to the specific contaminants in ABINGDON's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in ABINGDON's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
30.9 ppb | 0.06 | — | — | — | — | — | 514× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
18.8 ppb | 0.1 | 60.0 | 60 | — | — | — | 188× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
24.3 ppb | 0.15 | 80.0 | 100 | — | — | — | 162× over |
| Bromodichloromethane Disinfection byproduct |
5.43 ppb | 0.06 | — | — | — | — | — | 91× over |
| Chloroform Disinfection byproduct |
23.5 ppb | 0.4 | — | — | — | — | — | 59× over |
| Arsenic Heavy metal |
0.0833 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 21× over |
| Nitrate Inorganic |
2.87 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 21× over |
| Radium, combined (-226 and -228) Radiological |
1.07 pCi/L | 0.05 | 5.0 | — | — | — | — | 21× over |
| Chromium (hexavalent) Heavy metal |
0.333 ppb | 0.02 | — | — | — | — | — | 17× over |
| Nitrate and nitrite Inorganic |
2.32 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 17× over |
| Dibromochloromethane Disinfection byproduct |
1.33 ppb | 0.1 | — | — | — | — | — | 13× over |
| Chlorate Disinfection byproduct |
160.3 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Beryllium Heavy metal |
0.125 ppb | 1.0 | 4.0 | — | — | 1 | — | Below guideline |
| Barium Heavy metal |
65.5 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
4.27 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Antimony Heavy metal |
0.0208 ppb | 1.0 | 6.0 | 10 | 20 | 1 | — | Below guideline |
| Selenium Heavy metal |
0.125 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Vanadium Other |
0.0294 ppb | 21.0 | — | — | — | — | — | Below guideline |
| 1,1-Dichloroethane Volatile organic compound |
0.004 ppb | 3.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0879 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chloroethane Other |
1.11 ppb | — | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.167 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.351 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from HARFORD COUNTY D.P.W..