Is New Hampton, NH Tap Water Safe to Drink?
Graded F — but Lead and Copper were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
28/100
New Hampton, NH — Water Quality Report
New Hampton's drinking water received a grade of F (28 out of 100), indicating failing water quality. The city's 2 water systems serve approximately 666 residents using surface water.
Lead levels were measured at 23.0 ppb (90th percentile), which exceeds the EPA action level of 15 ppb. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 133 violations on record, including 73 health-based violations. 39 remain unresolved.
What to know about New Hampton's water
New Hampton ranks #117 out of 119 cities in New Hampshire for water quality, placing it among the lowest-rated in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
Lead levels exceed the EPA action level of 15 ppb, which typically indicates aging lead service lines or lead solder in the distribution system. An NSF 53-certified filter is strongly recommended for drinking and cooking water.
As a small community water system, New Hampton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 47 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is New Hampton, NH water safe to drink?
New Hampton's drinking water has significant quality concerns based on EPA testing data. With a grade of F (28/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 666 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for New Hampton
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into New Hampton's water quality assessment. Grade: F (28/100).
1 health-based. Contaminants: Total Haloacetic Acids (HAA5).
2 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-4740). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4095). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for New Hampton's water supply.
Exceeds EPA action level. Lead service line replacement and point-of-use filtration recommended.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
New Hampton's water system has 133 total violations on record, including 73 health-based violations. 39 remain unresolved. 47 violations were issued in the last 5 years.
Flood & environmental risk
Carroll County has experienced 10 federally declared disasters since 1987. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Saco River, Saco River Near Conway.
Where does New Hampton's water come from?
New Hampton's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 666 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Saco River (river), Saco River Near Conway (river).
What New Hampton residents can do
Recommended: NSF 53-certified pitcher or under-sink filter. This addresses the specific contaminants found in New Hampton's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
New Hampton's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of New Hampton
Industrial polluters nearby
Reported releases to surface water by facilities near New Hampton, ranked by pounds discharged annually.
Total reported releases to surface water: 4 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
FREUDENBERG-NOK SEALING TECHNOLOGIES BRISTOL, NH03222 | Zinc compounds | 4 | 5.2 mi |
NEW HAMPSHIRE BALL BEARINGS INC LACONIA, NH03246 | — | — | 9.3 mi |
BOYD LACONIA LLC LACONIA, NH03246 | — | — | 9.5 mi |
RYMES - LACONIA LACONIA, NH03246 | — | — | 9.4 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtBelknap County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Carroll County has experienced 10 federally declared disasters since 1987. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in New Hampton's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 23.0 | 15 | ppb | Inorganic | Over Limit |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.75 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how New Hampton compares by contaminant
Explore where New Hampton ranks among all New Hampshire cities for specific contaminants.
Water source & infrastructure
Where New Hampton's water comes from
New Hampton's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 666 people through 2 water systems.
Water bodies near New Hampton
New Hampton is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving New Hampton
| System Name | PWSID | Population | Source |
|---|---|---|---|
| NEW HAMPTON VILLAGE PCT | NH1691010 | 600 | SW |
| MANSFIELD WOODS | NH1692030 | 66 | GW |
How New Hampton compares
Full New Hampshire rankings →New Hampton's score of 28/100 is below the average of 69/100 among major New Hampshire cities. 10 of 10 nearby cities score higher.
Nearby cities
View New Hampshire rankings →Learn more about your water
Guides and resources related to New Hampton's water quality findings.
Explore water quality across Belknap
Frequently asked questions
Is New Hampton, NH tap water safe to drink?
New Hampton's water quality earned a grade of F (28/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #117 out of 119 cities tested in New Hampshire.
What contaminants are in New Hampton's water?
Lead was measured at 23.0 ppb (90th percentile). 133 violations are on record.
How is New Hampton's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in New Hampton?
Yes — lead levels exceed the EPA action level of 15 ppb. We recommend an NSF 53-certified filter or reverse osmosis system. Based on current data, basic filtration should suffice for additional peace of mind.
Where does New Hampton's water come from?
New Hampton's water is sourced from Surface water. The city has 2 water systems serving approximately 666 residents.
What health violations has New Hampton's water system had?
New Hampton has 73 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 39 violations remain unresolved.
How does New Hampton's water compare to other cities?
New Hampton ranks #117 out of 119 cities in New Hampshire (better than 2% of state cities) and #15727 out of 15744 cities nationally (0th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.