ZipCheckup grade for 19958: B.
This ZIP has a few items worth a quick check.
Your top priority: test your tap water for lead. Check your ZIP → EPA lead guide
Lewes, DE (19958): PFAS Detected in Mapped Water Systems - 83/100
EPA data combined for 7 water systems mapped to this ZIP (largest mapped system: Lewes Board of Public Works)
EPA records for the water systems mapped to 19958 in Lewes, 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 90th-percentile lead reading of 0.023 mg/L; the EPA action level of 0.015 mg/L applies to a water system's 90th-percentile result.
- 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 224 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
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Read each of the 2 critical-level cards below for 19958 in Lewes - 0 high-priority findings follow them in the record.
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 (8) CRITICAL
Your Water System
ZIP code 19958 in Lewes, Delaware is mapped to the water system Lewes Board of Public Works (EPA ID: DE0000602). This system provides water to approximately 9,627 people from groundwater sources.
There are 7 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Lewes Board of Public Works | DE0000602 | 9,627 | Groundwater |
| Rehoboth Pump District (tui) | DE0000991 | 81,417 | Groundwater |
| Rehoboth Beach Water Department | DE0000723 | 25,000 | Groundwater |
| Artesian Northern Sussex Regional | DE0020003 | 5,511 | Groundwater |
| Seaglass at Rehoboth Beach | DE0020117 | 674 | 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
- 19969 (Nassau) - 1 mi
- 19951 (Harbeson) - 5 mi
- 19971 (Rehoboth Bch) - 5 mi
- 19966 (Millsboro) - 7 mi - 1 violation recorded for mapped water systems
- 19968 (Milton) - 7 mi
- 19947 (Georgetown) - 12 mi - 4 violations recorded for mapped water systems
- 19939 (Dagsboro) - 12 mi - 2 violations recorded for mapped water systems
- 19970 (Ocean View) - 13 mi - 2 violations recorded for mapped water systems
- 19941 (Ellendale) - 13 mi
- 19967 (Millville) - 13 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Lewes Board of Public Works (DE0000602) 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 19958. 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 Lewes
Based on local data for ZIP 19958, 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 Lewes has 224 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 19958 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 19958 (primary system: Lewes Board of Public Works), 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 19958's water come from?
The recorded water source for Lewes Board of Public Works, a system mapped to ZIP code 19958, is Groundwater. This system serves approximately 9,627 people.
How does Lewes water compare to the national average?
Lewes'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 Lewes?
If Lewes Board of Public Works 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.
Is lead a concern in 19958 tap water?
The Lead and Copper Rule record selected for 19958 reports a 90th-percentile lead result of 0.023 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This system 90th-percentile result is above the EPA lead action level of 0.015 mg/L, which requires corrective action by the system; consider a filter certified for lead reduction.
What is the radon risk for 19958?
19958 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 19958's water?
Yes, PFAS have been detected in samples from water systems mapped to 19958. 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 19958?
FEMA records contain 224 flood insurance claims filed in ZIP code 19958; 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). Lewes, DE (19958): PFAS Detected in Mapped Water Systems - 83/100. https://zipcheckup.com/report/19958/
@misc{zipcheckup-report-19958,
author = {{ZipCheckup}},
title = {{Lewes, DE (19958): PFAS Detected in Mapped Water Systems - 83/100}},
year = {2026},
url = {https://zipcheckup.com/report/19958/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 19958
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 19969 | Nassau, DE | 1.2 mi | N/A | 0 |
| 19951 | Harbeson, DE | 5.3 mi | B | 0 |
| 19971 | Rehoboth Bch, DE | 5.5 mi | B | 0 |
| 19966 | Millsboro, DE | 6.7 mi | B | 1 |
| 19968 | Milton, DE | 6.8 mi | B | 0 |
| 19947 | Georgetown, DE | 12.5 mi | B | 4 |
| 19939 | Dagsboro, DE | 12.5 mi | B | 2 |
| 19970 | Ocean View, DE | 12.9 mi | B | 2 |
| 19941 | Ellendale, DE | 13.3 mi | N/A | 0 |
| 19967 | Millville, DE | 13.3 mi | B | 0 |
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