United Wappinger Water Improvement District
EPA ID: NY1330660 · 14,000 people served · 4 ZIP codes
Compliance tracking for United Wappinger Water Improvement District shows 8 pending violations logged in the EPA system — the supplier delivers water to approximately 14,000 residents while those findings remain open.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 2 (2022) to 3 (2023). Violation counts have remained relatively steady.
Service Area Map
Coverage area for United Wappinger Water Improvement District Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The United Wappinger Water Improvement District serves a community with a median household income of $98,252 and an estimated 77,672 residents across its service area. Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
United Wappinger Water Improvement District's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Dutchess County, New York rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How United Wappinger Water Improvement District compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 17 mg/L exceeds the EPA maximum of mg/L.
HAA6Br at 1 mg/L exceeds the EPA maximum of 0.06 mg/L.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Contaminant 2806 at 11 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 10 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 8 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Total Trihalomethanes (TTHM) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
UNITED WAPPINGER WATER IMPROVEMENT DIST. (EPA ID: NY1330660) is a community water system in New York that serves approximately 14,000 people from surface water sources.
This system provides water to 4 ZIP codes across 4 communities.
Average Home Safety Score: D (51/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| September 1, 2025 | Surface Water Treatment Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 1, 2024 | Contaminant 2806 | Monitoring | Unresolved |
| September 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Unresolved |
| July 1, 2024 | Contaminant 2806 | Monitoring | Unresolved |
| April 1, 2024 | Contaminant 2806 | Monitoring | Unresolved |
| March 1, 2024 | Unknown | Monitoring | Resolved |
| January 1, 2024 | Surface Water Treatment Rule | Monitoring | Unresolved |
| January 1, 2024 | Contaminant 2806 | Monitoring | Unresolved |
| October 1, 2023 | Unknown | Monitoring | Resolved |
| October 1, 2023 | Contaminant 2829 | Monitoring | Resolved |
| September 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| September 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| August 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| June 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| May 1, 2023 | Unknown | Monitoring | Resolved |
| May 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 17 | No |
| Contaminant 2806 | Other Violation | 11 | No |
| Surface Water Treatment Rule | Treatment Failure | 10 | No |
| Contaminant 2049 | Other Violation | 4 | No |
| Contaminant 2829 | Other Violation | 2 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Contaminant 2959 | Other Violation | 1 | No |
| HAA6Br | Disinfection Byproducts | 1 | Yes |
| Stage 2 DBP Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 12590 | 0.00296 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: 3 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for United Wappinger Water Improvement District (NY1330660) on EPA.gov.
Frequently Asked Questions
Is United Wappinger Water Improvement District water safe to drink?
United Wappinger Water Improvement District has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does United Wappinger Water Improvement District serve?
United Wappinger Water Improvement District serves approximately 14,000 people across 4 ZIP codes in New York.
Where does United Wappinger Water Improvement District get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
United Wappinger Water Improvement District (EPA ID: NY1330660) — request the latest Consumer Confidence Report or ask about specific contaminants.