North Granby, CT Water Safety: 73/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Residents of North Granby generally live with tap water that beats the CT safety average on key EPA compliance metrics.
How North Granby Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for North Granby Residents
- Homes built before 1986: 51% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
North Granby's Water Providers
Federal drinking water records identify 1 system operating in North Granby, CT. One of those systems serves the overwhelming majority of residential addresses, concentrating infrastructure management, rate authority, and EPA compliance reporting within a single organization.
Overview
We track water quality and home safety data for 1 ZIP code in North Granby, Connecticut, covering 1 community water system serving approximately 2,290 people.
No EPA violations recorded across any ZIP codes in North Granby — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for North Granby: B (73/100)
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
North Granby water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for North Granby
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 06060 | B | SALMON BROOK DISTRICT WATER DEPT | 2,151 |
All ZIP Codes in North Granby
- 06060 [B]
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.
North Granby Infrastructure Age
With 51% 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
When a city's housing median build year is 1984, as in North Granby, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.
Over half of homes in North Granby 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.
How Remediation Costs Compare in North Granby
At current valuations, North Granby sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in North Granby are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 2% below the Connecticut average.
North Granby: 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.
When older housing represents 51% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual North Granby address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
North Granby: Flood History & Water Damage Risk
Measured across the NFIP's multi-decade tracking period, North Granby shows a moderate flood record — 2 claims and 100% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
North Granby has a moderate flood history with 2 FEMA claims averaging $218 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>$1,200</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 North Granby, CT