CITY REPORT MA

Conway, MA Water Safety: 63/100 (2026)

1 ZIP code · 1 water system · Updated 2026-06-03

Water monitoring across Conway paints a mid-range picture within MA — solid compliance in some service zones, documented concerns in others. Most violations on record are concentrated in specific areas, and the overall grade has held in the middle tier without major shifts in recent monitoring cycles.

How Conway Compares

Conway63/100
Massachusetts avg66/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
C · 63
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$377K
Median Home Value
$2,200
Est. Remediation (0.6% of home value)

What You Should Know About Conway Water

  • Homes built before 1986: 68% — older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 12.72 — above typical levels.

Who Supplies Your Water in Conway

Supply infrastructure in Conway, MA runs through a single dominant provider — the main entity among 1 tracked system through which rate decisions, infrastructure work, and federal compliance are managed.

GREENFIELD WATER DEPARTMENT
Serves ~17,645 people
63
/100

Overview

We track water quality and home safety data for 1 ZIP code in Conway, Massachusetts (population ~1,605), covering 1 community water system serving approximately 17,645 people region-wide.

No EPA violations recorded across any ZIP codes in Conway — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Conway: C (63/100)

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

Conway water systems draw from: Surface water.

Lead & Copper

  • Lead data: not yet available for Conway
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate 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
01341 C GREENFIELD WATER DEPARTMENT 17,645

All ZIP Codes in Conway

Data Sources

Updated daily.

Health Outcomes in Conway

11.8%
Asthma (US: 9.8%)
10.8%
Diabetes (US: 10.4%)
16.1%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 11.8% ↑
Diabetes 10.8% ↑
Mental Health 16.1% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Conway

1976
Median Build Year
68%
Built Before 1986
40%
Built Before 1970
Copper
Likely Pipe Material

With 68% 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 character of Conway's housing stock is one of deep historical layering — a median build year of 1976 signals a city built largely before the plumbing era changes of 1986 and 1970. Lead-soldered copper joints and, in the oldest properties, lead service lines are commonly present in this inventory. That context shapes what individual water testing may reveal, particularly in neighborhoods where the oldest housing is concentrated.

1976
Median Year Built
68%
Pre-1986 (Lead Paint Risk)
40%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (40%) 1970–1986 (28%) Post-1986 (32%)

Over half of homes in Conway 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.

Cost Context: What Remediation Means for Conway Homeowners

The household financial picture for Conway homeowners is proportionally favorable — addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.

Median Home Value
$376,500
Est. Remediation
$2,200
Remediation as % of home value 0.6%

Remediation costs in Conway are relatively low compared to home values. The $1,200–$3,300 estimated range is a small fraction of median property value. Home values are 33% below the Massachusetts average.

Lead Exposure Risk for Children in Conway

68%
Homes Built Before 1986

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 68% of Conway 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.

Flood & Climate Risk in Conway

8 FEMA flood insurance claims are on file for Conway, and 100% of local ZIP codes fall within federally designated flood zones — enough to put flood exposure on the planning radar, though short of the concentrated-risk threshold where treatment-system vulnerability becomes a primary consideration.

8
Total FEMA Flood Claims
$22,383
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones

Conway has a moderate flood history with 8 FEMA claims averaging $22,383 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>$2,200</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.

What You Can Do in Conway

  1. 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.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. With 68% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

Is the water safe to drink in Conway, MA?
Conway has an average water safety score of 63/100 (Grade C). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Conway compare to Massachusetts average?
Conway has an average water safety score of 63/100, which is below the Massachusetts state average of 66/100.
How many water systems serve Conway?
Conway is served by 1 public water system across 1 ZIP code, serving approximately 1,605 people.
How much does it cost to fix water issues in Conway?
Estimated remediation costs in Conway average $2,200 per household, ranging from $1,200 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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