Community Water System · PWS DE0000723
Rehoboth Beach Water Department
Rehoboth Beach, Delaware 19971 - drinking water served from groundwater sources to 25,000 people, tracked in EPA SDWIS and UCMR5.
- 25,000
- People served
- 0
- EPA violations
- 0
- Health-based
- 7 PFAS
- UCMR5 result
The verdict
Rehoboth Beach Water Department carries a clean Safe Drinking Water Act record, zero EPA violations, though UCMR5 testing detected 7 PFAS compounds.
- 0
- Total EPA violations on record
- 0%
- Health-based (MCL / treatment failure)
- 25,000
- People served by this system
- 7
- PFAS compounds detected (UCMR5)
Water Quality Snapshot: Rehoboth Beach Water Department
Rehoboth Beach Water Department is a local-owned community water system that delivers drinking water to 25,000 residents in Rehoboth Beach, Delaware (Sussex County) through 5,082 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 0 total violations for this system , giving it a clean Safe Drinking Water Act compliance record.
No specific contaminant violations have been recorded in EPA's detailed violation register for this system. Under EPA's UCMR5 PFAS monitoring program, 7 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 14.9 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.
Across Delaware, EPA tracks 460 public water systems serving 1,083,630 people, with 9,105 cumulative violations and 4,582 health-based violations on record. About 75% of systems in the state carry at least one violation, and state-wide the average per system is 19.8 violations. Statewide, 25 of 35 UCMR5-tested systems have reported PFAS detections (71.4%).
Rehoboth Beach Water Department's 0 violations sit below the Delaware average.
All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
7 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 5,082
- County
- Sussex
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 0
- Treatment Tech Violations
- 0
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 19 of 174 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFMBA | 8/26/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFOA | 8/26/2024 | 14.90 ppt | 4.00 ppt | Detected |
| PFPeS | 8/26/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| NFDHA | 8/26/2024 | <20.00 ppt | 20.00 ppt | Not Detected |
| PFHpS | 8/26/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFOS | 8/26/2024 | 6.20 ppt | 4.00 ppt | Detected |
| PFDA | 8/26/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDoA | 8/26/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHxA | 8/26/2024 | 6.20 ppt | 3.00 ppt | Detected |
| PFUnA | 8/26/2024 | <2.00 ppt | 2.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 8/26/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| 9Cl-PF3ONS | 8/26/2024 | <2.00 ppt | 2.00 ppt | Not Detected |
| 6:2 FTS | 8/26/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFEESA | 8/26/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBS | 8/26/2024 | 4.70 ppt | 3.00 ppt | Detected |
| PFMPA | 8/26/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| 4:2 FTS | 8/26/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeA | 8/26/2024 | 3.50 ppt | 3.00 ppt | Detected |
| PFBA | 8/26/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| HFPO-DA | 8/26/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| ADONA | 8/26/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFNA | 8/26/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHxS | 8/26/2024 | 6.90 ppt | 3.00 ppt | Detected |
| PFHpA | 8/26/2024 | 3.10 ppt | 3.00 ppt | Detected |
| 8:2 FTS | 8/26/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFNA | 7/23/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHxA | 7/23/2024 | 3.90 ppt | 3.00 ppt | Detected |
| PFDoA | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDA | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFOA | 7/23/2024 | 5.50 ppt | 4.00 ppt | Detected |
| PFOS | 7/23/2024 | 4.10 ppt | 4.00 ppt | Detected |
| PFHxS | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBS | 7/23/2024 | 7.20 ppt | 3.00 ppt | Detected |
| PFPeS | 7/23/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFUnA | 7/23/2024 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFHpS | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHpA | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| NFDHA | 7/23/2024 | <20.00 ppt | 20.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 7/23/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFEESA | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFMBA | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeA | 7/23/2024 | 4.40 ppt | 3.00 ppt | Detected |
| PFMPA | 7/23/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| 8:2 FTS | 7/23/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| 4:2 FTS | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| 6:2 FTS | 7/23/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFBA | 7/23/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| HFPO-DA | 7/23/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| 9Cl-PF3ONS | 7/23/2024 | <2.00 ppt | 2.00 ppt | Not Detected |
| ADONA | 7/23/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Rehoboth Beach Water Department.
EPA SDWIS, Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID DE0000723 on SDWISSource: EPA SDWIS Federal Reports Search
Delaware Drinking Water Authority
Delaware's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.
Find DE regulator via EPA SDWISHow Rehoboth Beach Water Department Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | Rehoboth Beach Water Department | Delaware avg | Federal benchmark |
|---|---|---|---|
| Total violations | 0 | 19.8 | SDWA compliance, any non-zero count is a recorded breach |
| Health-based violations | 0 | 10 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | 7 compounds | 71.4% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 25,000 | 2,356 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 460 regulated public water systems in Delaware.
Federal MCL reference, Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026) |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
Is Rehoboth Beach Water Department water safe to drink? ▼
How many people does Rehoboth Beach Water Department serve? ▼
What type of violations does Rehoboth Beach Water Department have? ▼
Has PFAS been detected in Rehoboth Beach Water Department water? ▼
What water source does Rehoboth Beach Water Department use? ▼
Where does this data come from? ▼
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.