Mahopac, NY: 4 Violations - Home Safety Score unavailable
1 ZIP code · 5 water systems · Updated
Data: EPA SDWIS
What You Should Know About Mahopac Water
- Your city's water systems recorded 4 violations since 2021.
- Average of reported 90th-percentile lead results: 0.015 mg/L.
- Homes built before 1986: 81% - older plumbing may contain lead solder.
- Estimated remediation: $4,860 per household.
- Health risk index (ZipCheckup composite of CDC data): 10.88.
Who Supplies Your Water in Mahopac
Service in Mahopac, NY can differ by address: 5 water systems are tied to the area in federal records, and the 3 largest are listed with their violation records.
Overview
We track home safety data for 1 ZIP code in Mahopac, New York, covering 5 community water systems serving approximately 26,137 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Water Sources
Mahopac water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0150 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
1 of 1 ZIP records with known zones is in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Groundwater Rule | Treatment Technique | 4 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 10541 | — | 4 | 0 | Mahopac Water Company |
All ZIP Codes in Mahopac
- 10541 - 4 violations recorded for mapped water systems
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Mahopac
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Mahopac Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Mahopac
With 81% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Viewed through the lens of construction era, Mahopac has a median build year of 1962; houses completed ahead of 1986 can hold lead-bearing solder or fittings.
Over half of homes in Mahopac were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Mahopac Homeowners
Home prices in Mahopac and the estimated cost of addressing flagged issues produce a ratio in the 1-2% band; that places the city between the low and elevated tiers, and because both inputs are area estimates, the actual cost for a given home may be higher or lower.
Estimated remediation costs in Mahopac can be compared with local home values. The estimated $3,240–$6,480 range is a planning estimate; get a property-specific quote and check it against your budget. Home values are 30% above the New York average.
Lead Exposure Risk for Children in Mahopac
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
81% of Mahopac homes were constructed before 1986, when federal law began limiting lead in pipes, solder and flux. Across the city's ZIP codes, water systems' 90th-percentile lead results average no less than 0.010 mg/L. That average can mix higher and lower systems, so it neither confirms nor rules out a problem at a single address; asking the utility how the home's service line is classified in its inventory is a practical next step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Mahopac
Historical NFIP data for Mahopac contains 105 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $5,361. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The $4,860 remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Mahopac, NY