Drinking water quality · 2024
· Verified
· PWSID MD0110001
What's in Town of Accident, MD tap water
5 contaminants in Town of Accident, MD's water sat at or above a federal limit, led by Hexafluoropropylene oxide dimer acid at 1.0x the limit.
- !5 contaminants at or above a federal limit — worst is Hexafluoropropylene oxide dimer acid at 1.0x
- !1 contaminant within 20% of a limit
- !10 of 27 core regulated contaminants reported — 17 never appear in this report
- ✓No open federal violations
+How this score is calculated
Every system starts at 100. Points come off for measured levels, for the federal violation record, and for how much of the core regulated set the utility actually reported. All three inputs are the utility's own published numbers and EPA's own records.
- −60 contaminants at or above a federal limit
- −4 contaminants within 20% of a limit
- −0 open health-based violations
- −0 open monitoring / reporting violations
- −0 health-based violations resolved in the last 5 years
- −14 core regulated contaminants never reported (10/27)
A 90–100 · B 80–89 · C 70–79 · D 60–69 · F below 60. A system reporting under a third of the core set is capped at C however clean its numbers look — a short report is not a clean bill of health.
Full grading methodology, constant for constant →What to worry about
- Hexafluoropropylene oxide dimer acid1.0× the federal limit10 ng/L · limit 10 ng/L
Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
- Perfluorohexanesulfonic acid1.0× the federal limit10 ng/L · limit 10 ng/L
Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
higher than 85% of U.S. systems
- Perfluorononanoic acid1.0× the federal limit10 ng/L · limit 10 ng/L
Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.
- PFOA1.0× the federal limit4 ng/L · limit 4 ng/L
Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
higher than 40% of U.S. systems
- PFOS1.0× the federal limit4 ng/L · limit 4 ng/L
Linked to cancer, thyroid disease, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
higher than 50% of U.S. systems
- Copper85% of the federal limit19–1100 ug/L · limit 1300 ug/L
Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.
Higher than 95% of MD systems that report it · higher than 95% of U.S. systems
+10 contaminants were measured and came in below the limitShow all
| Contaminant | Measured | Federal limit |
|---|---|---|
| Chlorine | 1.42 mg/L | 4 mg/L |
| Arsenic | 3.5 ug/L | 10 ug/L |
| Nitrate | 1.7 mg/L | 10 mg/L |
| Barium | 180 ug/L | 2000 ug/L |
| TTHM | 3.9 ug/L | 80 ug/L |
| Nitrite | 0.02 mg/L | 1 mg/L |
| HAA5 | Not detected ug/L | 60 ug/L |
| Lead | 0.0 mg/L | 0.015 mg/L |
| Perfluorobutanesulfonic acid | 1.01 ng/L | — |
| Combined Radium | 0.8 ug/L | 5 ug/L |
What this report doesn't tell you
17 of the 27 contaminants a community water system normally reports do not appear anywhere in Town of Accident, MD's data. Absent is not the same as absent-from-the-water — it means nobody published a number.
+Full detail: PFAS testing, water source, historical monitoring, and the federal violation record
Where your water comes from · EPA SDWIS
Town of Accident, MD's drinking water comes from ground water, drawn from 2 sources.
Source
- SOUTH STREET WELL GA720257
- NEW ACCIDENT-FRATZ WELL GA100091
Treatment
- SOUTH STREET WTP
- ACCIDENT- FRATZ STREET
Distribution
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Maximum contaminant level exceededHealth-based4 violations on record · most recent Jan 2013resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗