Suffield, CT Water Safety: 97/100 (2026)
2 ZIP codes · 4 water systems · Updated 2026-06-03
Within Suffield, safety indicators for tap water remain above the CT median — documented violations are infrequent and the city's compliance record sits in the upper tier.
How Suffield Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Suffield Residents
- Average lead level: 0.001 mg/L.
- Estimated remediation: $1,800 per household.
Suffield's Water Providers
Structurally, Suffield, CT's water supply is divided. Federal data identifies 4 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 2 ZIP codes in Suffield, Connecticut (population ~11,742), covering 4 community water systems serving approximately 102,198 people region-wide.
No EPA violations recorded across any ZIP codes in Suffield — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Suffield: A (97/100)
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
Suffield water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 2 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 06078 | A | Ctwc - Northern Reg-western System | 101,313 |
| 06080 | A | Ctwc - Northern Reg-western System | 101,313 |
All ZIP Codes in Suffield
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.
How Remediation Costs Compare in Suffield
Across Suffield, the equity share taken up by estimated remediation is small — a favorable ratio for most property owners.
Remediation costs in Suffield are relatively low compared to home values. The $1,200–$2,600 estimated range is a small fraction of median property value. Home values are 2% above the Connecticut average.
Suffield: Lead Risk & Vulnerable Populations
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.
Lead risk in Suffield appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Suffield: Flood History & Water Damage Risk
Flood risk in Suffield occupies the middle ground: 8 NFIP claims and 50% of local ZIP codes within FEMA flood zones. At that level, the risk pathways connecting flooding to water quality — treatment system stress, well infiltration, distribution backflow — become relevant considerations during significant flood events, even if day-to-day water quality is unaffected by flood history.
Suffield has a moderate flood history with 8 FEMA claims averaging $7,344 per payout. 50% 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>$1,800</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 Suffield, CT