Water Quality: Rehoboth Beach, DE
7 water systems • 28,380 people served
Multiple Health ViolationsWater Quality Summary
Rehoboth Beach is served by 7 public water systems with a combined service population of 28,380 people, and has 43 EPA Safe Drinking Water Act violations on record. Critically, 18 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Rehoboth Beach's violation count is 45% above the national average for Delaware. Contaminants associated with violations include Chlorine, E. coli, Selenium.
Contaminants Found
Eye and nose irritation at high levels; long-term exposure above the MCL may cause liver and kidney damage.
Common source: Water treatment disinfectant added to kill harmful microorganisms
EPA limit: 4.0 mg/L (MRDL — Maximum Residual Disinfectant Level)
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Water Systems Serving Rehoboth Beach
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| REHOBOTH BEACH WATER DEPARTMENT | DE0000723 | Groundwater | 25,000 | 0 |
| REHOBOTH BAY COMMUNITY | DE0000645 | Groundwater | 1,575 | 5 |
| SEAGLASS AT REHOBOTH BEACH | DE0020117 | Groundwater | 674 | 0 |
| CEDAR VILLAGE LLC | DE0000254 | Groundwater | 600 | 6 |
| CAREY ESTATES, LLC | DE0000521 | Groundwater | 312 | 9 |
| PINE VALLEY MOBILE HOME PARK | DE0000644 | Groundwater | 141 | 0 |
| CHERRY CREEK VALLEY | DE0000608 | Groundwater | 78 | 23 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Delaware
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.