Ayer, MA: 5 Violations - Home Safety 65/100
1 ZIP code · 2 water systems · Updated
ZipCheckup grade for Ayer: C.
A mixed picture - some signals here are worth your attention.
Compliance figures for Ayer indicate average water quality in MA overall - some service areas have recorded health-based violations in recent monitoring cycles, while others operate cleanly, making system-level data the most actionable reference point for residents.
How Ayer Compares
Data: EPA SDWIS
Key Facts for Ayer Residents
- Your city's water systems recorded 5 violations in the past 5 years.
- Average lead level: 0.0028 mg/L.
- Homes built before 1986: 64% - older plumbing may contain lead solder.
- Estimated remediation: $2,900 per household.
- CDC health risk index: 9.88.
Ayer's Water Providers
Throughout Ayer, MA, water comes from one of 2 primary utilities out of 2 total systems - independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
- C
- C
Overview
We track home safety data for 1 ZIP code in Ayer, Massachusetts (population ~8,124), covering 2 community water systems serving approximately 14,979 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Ayer: C (65/100)
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
Ayer water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0028 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 6 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 01432 | C | 5 | 0 | Ayer Dpw Water Division |
All ZIP Codes in Ayer
- 01432 [C] - 5 violations
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.
Ayer 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
What's in Ayer's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Ayer Infrastructure Age
With 64% 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 Ayer's housing stock is one of deep historical layering - a median build year of 1974 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.
Over half of homes in Ayer 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 Ayer
In Ayer, property wealth outpaces what documented remediation typically demands - the equity burden lands well within the low tier.
Remediation costs in Ayer are relatively low compared to home values. The $1,900–$4,100 estimated range is a small fraction of median property value. Home values are 25% below the Massachusetts average.
Ayer: 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.
Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet - and where 64% of Ayer 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.
Ayer: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Ayer contains 5 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $3,122. Among ZIP codes with claim records, 100% 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>$2,900</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 Ayer
- 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. Filters rated for Stage 1 DBP Rule can reduce the most common contaminant found in Ayer's water.
- Check your home's plumbing. With 64% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Ayer, MA