Manchester, NH Home Safety: Home Safety 67/100
9 ZIP codes · 1 water system · Updated
ZipCheckup grade for Manchester: C.
A mixed picture - some signals here are worth your attention.
Manchester water quality is uneven - some service areas show clean compliance; others carry documented violations in NH EPA records.
How Manchester Compares
Data: EPA SDWIS
Key Facts for Manchester Residents
- Estimated remediation: $1,944 per household.
- CDC health risk index: 11.54.
Manchester's Water Providers
In Manchester, NH, the drinking water supply is organized under a single dominant utility - a consolidated structure that shapes how infrastructure investment, regulatory compliance, and rate decisions flow to households. When one provider handles the overwhelming share of residential connections out of 1 tracked system, accountability is clear: service upgrades, EPA violation responses, and tariff changes all funnel through that single organizational structure.
- C
Overview
We track home safety data for 9 ZIP codes in Manchester, New Hampshire, covering 1 community water system serving approximately 119,954 people. The EPA snapshots used for this build directly map water systems to 5 of 9 ZIP codes.
The available EPA record reports 0 violations for 5 ZIP codes with a reported violation count.
Home Safety Score
Average Home Safety Score for Manchester: C (67/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Manchester water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
- 0 of 5 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 9 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 03101 | — | Manchester Water Works | 123,500 |
| 03102 | — | Manchester Water Works | 123,500 |
| 03103 | C | Manchester Water Works | 123,500 |
| 03104 | — | Manchester Water Works | 123,500 |
| 03109 | C | Manchester Water Works | 123,500 |
All ZIP Codes in Manchester
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Manchester Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Remediation Costs Compare in Manchester
In Manchester, property values comfortably outpace what documented remediation typically costs - the equity share is proportionally low.
Remediation costs in Manchester are relatively low compared to home values. The $944–$3,722 estimated range is a small fraction of median property value. Home values are 4% below the New Hampshire average.
Manchester: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Manchester contains 69 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $29,328. Among ZIP codes with claim records, 60% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The <strong>$1,944</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Manchester
- 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.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Manchester, NH