South Windsor, CT: 1 Health Violation — 78/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-03
EPA compliance records for South Windsor tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within CT.
How South Windsor Compares
Data: EPA SDWIS Last verified: 2026-06-03
South Windsor Water: The Quick Version
- Your city's water systems recorded 14 violations in the past 5 years.
- Homes built before 1986: 66% — older plumbing may contain lead solder.
- Estimated remediation: $2,100 per household.
Water Systems Serving South Windsor
In South Windsor, CT, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 4 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.
Overview
We track water quality and home safety data for 1 ZIP code in South Windsor, Connecticut (population ~26,820), covering 4 community water systems serving approximately 543,606 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 1 health-based violation documented.
Home Safety Score
Average Home Safety Score for South Windsor: B (78/100)
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
South Windsor water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for South Windsor
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 20 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 4 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 06074 | B | 14 | 1 | METROPOLITAN DISTRICT COMMISSION |
All ZIP Codes in South Windsor
- 06074 [B] — 14 violations ⚠
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.
Key Contaminants Detected in South Windsor
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is South Windsor's Housing Stock?
With 66% 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
Viewed through the lens of construction era, South Windsor is predominantly an older city — a median build year of 1971 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in South Windsor 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.
South Windsor: Remediation Cost in Perspective
Within the South Windsor market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in South Windsor are relatively low compared to home values. The $1,350–$3,200 estimated range is a small fraction of median property value. Home values are 13% below the Connecticut average.
Protecting Children from Lead in South Windsor
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.
If 66% of the South Windsor inventory comes from before the federal ban on lead-bearing solder — and if utility samples sit at or near 0.015 mg/L — the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for South Windsor
Multiple flood events have been recorded for South Windsor through the NFIP — 23 claims in total, with 100% of ZIP codes in FEMA-designated zones — pointing to a flood exposure profile that merits inclusion in a water quality assessment without reaching high-severity planning territory.
South Windsor has a moderate flood history with 23 FEMA claims averaging $6,746 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>$2,100</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.
Deep Dive Reports
Detailed analysis for South Windsor, CT