ZipCheckup grade for 19971: B.
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Rehoboth Bch, DE (19971): PFAS Above 2029 MCL Level - 83/100
EPA data combined for 8 water systems mapped to this ZIP (largest mapped system: Rehoboth Beach Water Department)
EPA records for the water systems mapped to 19971 in Rehoboth Bch, DE contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 880 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
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Rehoboth Bch (19971): one critical alert.
Score Breakdown
Overall Home Safety Score: 83/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) HIGH
Your Water System
ZIP code 19971 in Rehoboth Bch, Delaware is mapped to the water system Rehoboth Beach Water Department (EPA ID: DE0000723). This system provides water to approximately 25,000 people from groundwater sources.
There are 8 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Rehoboth Beach Water Department | DE0000723 | 25,000 | Groundwater |
| Lewes Board of Public Works | DE0000602 | 9,627 | Groundwater |
| Silver View Farm | DE0000641 | 398 | Groundwater |
| Dewey Beach Water Department | DE0000825 | 31,000 | Groundwater |
| Rehoboth Bay Community | DE0000645 | 1,575 | Groundwater |
Other Water Quality Reports in Delaware
- 19701 (Bear)
- 19702 (Newark)
- 19703 (Claymont)
- 19706 (Delaware City)
- 19707 (Hockessin)
- 19708 (Kirkwood)
- 19709 (Middletown)
- 19710 (Montchanin)
- 19711 (Newark)
- 19712 (Newark)
- 19713 (Newark)
- 19714 (Newark)
- 19715 (Newark)
- 19716 (Newark)
- 19717 (Newark)
- 19718 (Newark)
- 19720 (New Castle) - 1 violation recorded for mapped water systems
- 19721 (New Castle)
- 19725 (Newark)
- 19726 (Newark)
Nearby Water Quality Reports
- 19958 (Lewes) - 5 mi
- 19969 (Nassau) - 6 mi
- 19951 (Harbeson) - 9 mi
- 19966 (Millsboro) - 10 mi - 1 violation recorded for mapped water systems
- 19970 (Ocean View) - 11 mi - 2 violations recorded for mapped water systems
- 19967 (Millville) - 12 mi
- 19968 (Milton) - 12 mi
- 19930 (Bethany Beach) - 13 mi - 2 violations recorded for mapped water systems
- 19939 (Dagsboro) - 13 mi - 2 violations recorded for mapped water systems
- 19945 (Frankford) - 16 mi - 1 violation recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rehoboth Beach Water Department (DE0000723) on EPA.gov.
5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 19971. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.
Detected compounds: PFOA, PFOS, PFPeA, PFBS, PFHxS, PFHxA, PFHpA.
Highest measured level: 0.0149 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) MODERATE
Home & Infrastructure (7) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Rehoboth Bch
Based on local data for ZIP 19971, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Rehoboth Bch has 880 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 19971 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 19971 (primary system: Rehoboth Beach Water Department), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 19971's water come from?
The recorded water source for Rehoboth Beach Water Department, a system mapped to ZIP code 19971, is Groundwater. This system serves approximately 25,000 people.
How does Rehoboth Bch water compare to the national average?
Rehoboth Bch's Home Safety Score ranks better than 67% of U.S. ZIP codes, and lower than 57% of ZIP codes within Delaware.
How can I get my water tested in Rehoboth Bch?
If Rehoboth Beach Water Department supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 19971?
19971 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Sussex County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 19971's water?
Yes, PFAS have been detected in samples from water systems mapped to 19971. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 19971?
FEMA records contain 880 flood insurance claims filed in ZIP code 19971; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Rehoboth Bch, DE (19971): PFAS Above 2029 MCL Level - 83/100. https://zipcheckup.com/report/19971/
@misc{zipcheckup-report-19971,
author = {{ZipCheckup}},
title = {{Rehoboth Bch, DE (19971): PFAS Above 2029 MCL Level - 83/100}},
year = {2026},
url = {https://zipcheckup.com/report/19971/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 19971
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 19958 | Lewes, DE | 5.5 mi | B | 0 |
| 19969 | Nassau, DE | 6.4 mi | N/A | 0 |
| 19951 | Harbeson, DE | 8.6 mi | B | 0 |
| 19966 | Millsboro, DE | 10.1 mi | B | 1 |
| 19970 | Ocean View, DE | 11.1 mi | B | 2 |
| 19967 | Millville, DE | 12.1 mi | B | 0 |
| 19968 | Milton, DE | 12.3 mi | B | 0 |
| 19930 | Bethany Beach, DE | 13.1 mi | B | 2 |
| 19939 | Dagsboro, DE | 13.3 mi | B | 2 |
| 19945 | Frankford, DE | 15.6 mi | B | 1 |
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