Milldale, CT Water Safety: 73/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Based on current monitoring, Milldale holds an above-average drinking water safety record for CT — violations are infrequent and typically minor when they do appear.
How Milldale Compares
Data: EPA SDWIS Last verified: 2026-06-03
Milldale Water: The Quick Version
- Homes built before 1986: 76% — older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
Water Systems Serving Milldale
Water service in Milldale, CT is organized around a single utility — one of 1 tracked by regulator, and the one that manages the local distribution network while holding primary responsibility for EPA compliance reporting.
Overview
We track water quality and home safety data for 1 ZIP code in Milldale, Connecticut (population ~570), covering 1 community water system serving approximately 43,069 people region-wide.
No EPA violations recorded across any ZIP codes in Milldale — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Milldale: 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
Milldale water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Milldale
- 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 |
|---|---|---|---|
| 06467 | B | SOUTHINGTON WATER DEPARTMENT | 43,069 |
All ZIP Codes in Milldale
- 06467 [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.
How Old Is Milldale's Housing Stock?
With 76% 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
The median home in Milldale was built in 1955 — a figure that places most of the city's residential stock in the era when lead solder was still standard in copper plumbing. Homes built before 1986 may have lead-soldered joints; those built before 1970 face the additional possibility of lead pipes in the service line itself.
Over half of homes in Milldale 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.
Milldale: Remediation Cost in Perspective
At current valuations, Milldale sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Milldale are relatively low compared to home values. The $1,600–$3,300 estimated range is a small fraction of median property value. Home values are 17% below the Connecticut average.
Protecting Children from Lead in Milldale
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.
Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet — and where 76% of Milldale homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Milldale
Across the NFIP's long tracking period, Milldale shows 1 claim 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.
Milldale has a moderate flood history with 1 FEMA claims. 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>$2,400</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 Milldale, CT