Tamworth Water Works
EPA ID: NH2311010 · 265 people served · 5 ZIP codes
Over the past five years, Tamworth Water Works recorded 7 violations, all subsequently resolved through the EPA enforcement process — the supplier currently operates in good standing, with no active actions on file for its 265 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2021) to 1 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Tamworth Water Works Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Tamworth Water Works serves a community with a median household income of $79,990 and an estimated 7,212 residents across its service area. Approximately 72% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Tamworth 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.
About 2% of homes in Carroll County, New Hampshire rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Tamworth Water Works compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Total Coliform at 1 presence exceeds the EPA maximum of presence.
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Nickel was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
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.
System Overview
Tamworth Water Works (EPA ID: NH2311010) is a community water system in New Hampshire that serves approximately 265 people from groundwater sources.
This system provides water to 5 ZIP codes across 5 communities.
Average Home Safety Score: D (44/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| August 11, 2024 | Total Coliform | Monitoring | Resolved |
| February 12, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| February 12, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 2 | No |
| Consumer Confidence Report Rule | Reporting Failure | 2 | Yes |
| Nickel | Inorganic | 1 | Yes |
| Total Coliform | Microbiological | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
Health Risk Details
Fluoride (EPA limit: 4 mg/L (secondary standard: 2.0 mg/L))
Tooth & bone damage at high levels At-risk groups: children under 8 during tooth development, elderly with compromised bone density, people with kidney disease.
Removal methods: reverse osmosis, activated alumina, distillation. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 03886 | 0.018 mg/L | Yes | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High 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 $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 03254 — Moultonborough
- 03259 — North Sandwich
- 03883 — South Tamworth
- 03886 — Tamworth
- 03897 — Wonalancet
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Tamworth Water Works (NH2311010) on EPA.gov.
Frequently Asked Questions
Is Tamworth Water Works water safe to drink?
Tamworth Water Works has recorded 2 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Tamworth Water Works serve?
Tamworth Water Works serves approximately 265 people across 5 ZIP codes in New Hampshire.
Where does Tamworth Water Works get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Tamworth Water Works (EPA ID: NH2311010) — request the latest Consumer Confidence Report or ask about specific contaminants.