Historical Compliance Records NH

Peterborough Water Works

EPA ID: NH1871010 ยท 4,500 people served ยท 1 ZIP code

ZipCheckup's reading of EPA SDWIS for Peterborough Water Works (NH1871010): 3 EPA violations in the last five years. Even though Peterborough Water Works accumulated 3 violations over five years, all have been formally resolved - the provider currently meets EPA standards for 4,500 people.

Data: EPA SDWIS

B ยท 82
Avg Safety Score
4,500
People Served
1
ZIP Code Served
3
Violations (5yr)
Groundwater
Water Source
0.009 mg/L
Max Lead Level
Zone 2
Radon Risk ยท Moderate
3
Contaminants Flagged
$368K
Median Home Value in Service Area

Service Area Map

Coverage area for Peterborough Water Works Source: EPA SDWIS service area boundaries.

Service area boundary - Grade B

Service Area Demographics

$100,189
Median Household Income
6,914
Service Area Population
18%
Disadvantaged Population
30th
Poverty Percentile
60th
Energy Burden Percentile
71%
Pre-1986 Housing

The Peterborough Water Works serves a community with a median household income of $100,189 and an estimated 6,914 residents across its service area. Approximately 71% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Peterborough Water Works's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Low Risk
Source Contamination Risk
40th
Wastewater Discharge Proximity
70th
Superfund Site Proximity

Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.

Infrastructure Risk

65 yr
Avg Pipe Age
Galvanized Steel or Copper
Pipe Material
0 yr
Est. Remaining Life
Stable
Decay Status
Installed 100% of expected lifespan used End of life

Detected Contaminants

How Peterborough Water Works compares to EPA limits

Haloacetic Acids (HAA5) 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.06 mg/L
Cancer risk; reproductive & developmental effects
Total Trihalomethanes (TTHM) 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.08 mg/L
Bladder & rectal cancer risk; reproductive concerns

What This Means For You

Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.

Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.

Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.

Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.

Find a certified water filter โ†’

Comparable Water Systems

Similar-sized systems in New Hampshire

0 violations
Rye Water District
4,300 people
C 2 violations
Newport Water Works
5,000 people
0 violations
Newmarket Water Works
5,030 people
B 0 violations
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation
Flood Insurance $1,200
Radon Mitigation $400
Total Estimated Cost $1,600

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

5 years
$2,500
10 years
$5,000
20 years
$10,000

Compare: Estimated remediation cost is $1,600 (one-time) vs. $5,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Peterborough Water Works (EPA ID: NH1871010) is a community water system in New Hampshire that serves approximately 4,500 people from groundwater sources.

This system serves ZIP code 03458 in Peterborough.

ZIP-Area Home Safety Context: B (82/100)

This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 3 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 3 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
July 1, 2024 Haloacetic Acids (HAA5) Non-health-based Resolved
July 1, 2024 Total Trihalomethanes (TTHM) Non-health-based Resolved
July 1, 2022 Surface Water Treatment Rule Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Total Trihalomethanes (TTHM) Disinfection Byproducts 1 No
Haloacetic Acids (HAA5) Disinfection Byproducts 1 No
Surface Water Treatment Rule Treatment Failure 1 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0.009 mg/L No N/A

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” this helps flush lead from your pipes.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NH or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Peterborough Water Works (NH1871010) on EPA.gov.

Frequently Asked Questions

Is Peterborough Water Works water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Peterborough Water Works; its 3 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Peterborough Water Works serve?

Peterborough Water Works serves approximately 4,500 people across 1 ZIP code in New Hampshire.

Where does Peterborough Water Works get its water?

The primary water source is groundwater.

Federal UCMR5 PFAS Monitoring: Tested Clean

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.

Samples collected
174

Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.

Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

Frequently Asked Questions

Is water from Peterborough Water Works safe to drink?
Peterborough Water Works earns a B safety grade with 3 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in Peterborough Water Works's water?
Detected contaminants include Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM), Surface Water Treatment Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 3 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Peterborough Water Works serve?
Peterborough Water Works serves approximately 4,500 people with drinking water across 1 ZIP code.
What is Peterborough Water Works's water source?
Peterborough Water Works draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Peterborough Water Works's water?
The maximum detected lead level is 0.009 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Peterborough Water Works's service area?
The Peterborough Water Works service area has a median household income of $100,189. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Peterborough Water Works get its water?
Peterborough Water Works's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

How to cite this page

APA ZipCheckup. (n.d.). Peterborough Water Works (NH): 3 EPA Violations. https://zipcheckup.com/water-system/nh1871010/
BibTeX
@misc{zipcheckup-water-system-nh1871010,
  author = {{ZipCheckup}},
  title  = {{Peterborough Water Works (NH): 3 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/nh1871010/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Peterborough Water Works (EPA ID: NH1871010) - request the latest Consumer Confidence Report or ask about specific contaminants.

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