Mohegan Lake, NY: High Radon Risk — 45/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
Water monitoring data from Mohegan Lake, NY tells a below-average story — health violations are present and system-level detail is worth reviewing before drawing conclusions.
How Mohegan Lake Compares
Data: EPA SDWIS Last verified: 2026-06-03
Mohegan Lake Water: The Quick Version
- Homes built before 1986: 71% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 10.47.
Water Systems Serving Mohegan Lake
Multiple utilities divide Mohegan Lake, NY's water service — 3 leading providers among 3 on the federal register.
Overview
We track water quality and home safety data for 1 ZIP code in Mohegan Lake, New York (population ~7,361), covering 3 community water systems serving approximately 64,425 people region-wide.
No EPA violations recorded across any ZIP codes in Mohegan Lake — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Mohegan Lake: D (45/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Mohegan Lake water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Mohegan Lake
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 10547 | D | YORKTOWN CONSOLD. WATER DIST.#1 | 36,000 |
All ZIP Codes in Mohegan Lake
- 10547 [D]
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
Updated daily.
CDC Health Data for Mohegan Lake
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Old Is Mohegan Lake's Housing Stock?
With 71% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Pre-1986 plumbing is not a rare legacy case in Mohegan Lake — it's the dominant profile. The median build year of 1961 indicates a housing stock where lead-soldered copper joints are a common structural feature of residences across the city.
Over half of homes in Mohegan Lake were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Mohegan Lake: Remediation Cost in Perspective
In Mohegan Lake, the equity impact of remediation is proportionally small — not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.
Remediation costs in Mohegan Lake are relatively low compared to home values. The $2,000–$4,100 estimated range is a small fraction of median property value. Home values are 32% above the New York average.
Protecting Children from Lead in Mohegan Lake
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Confirming what arrives at a specific faucet is something utility-side averages cannot do. With 71% of Mohegan Lake stock built before the lead-solder ban and citywide monitoring at or beyond the regulatory mark, a tap-level kit fits the standard diligence picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Mohegan Lake
Across the NFIP's long tracking period, Mohegan Lake shows 19 claims and 100% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.
Mohegan Lake has a moderate flood history with 19 FEMA claims averaging $3,899 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$3,000</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Mohegan Lake
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 71% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Mohegan Lake, NY