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Official EPA SDWIS Verified ReportWater Quality & Testing GuideStatus: Normal Operations

ZIP Code 03220 Water Quality & Testing Report

Belmont, NH ยท Belknap County County ยท Updated for 2026

Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 03220 (Belmont, NH)?

Caution / Filtration Recommended: Tap water in ZIP code 03220 (Belmont, NH) has compliance concerns, earning an EPA Safety Grade of D (53/100) due to 0 health violation(s) and 16.0 ppb lead. While treated by Belmont Water Department, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.

Safety Score
D

Water Safety Grade

Poor โ€” Multiple violations recorded

Health Violations

0

Total Violations

1

Lead Risk

High

Contaminants

0

About Tap Water in ZIP Code 03220

Tap water in ZIP code 03220 (Belmont, NH) is distributed by Belmont Water Department (EPA ID: NH0201010), serving approximately 1,612 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of D with a composite quality score of 53/100.

Water System

Belmont Water Department

EPA ID: NH0201010

Water Source

Ground Water

Population Served

1,612 residents

County

Belknap County County, New Hampshire

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Lead Levels in ZIP 03220

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Level: 16.0 ppb โ€” EXCEEDS EPA Action Level

The 90th percentile lead level in 03220 is 16.0 ppb, which EXCEEDS the EPA action level of 15 ppb. Immediate action is recommended. Use a certified NSF/ANSI 53 filter or bottled water for drinking and cooking.

Lead exposure risk in 03220 is rated High. EPA models estimate a 70% exposure probability based on housing and infrastructure age.

Lead Level (90th percentile)
16.00 ppb (0.016 mg/L)
Lead Exposure Risk Rating
High
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

70%
Note: Lead levels above are the 90th percentile from EPA monitoring โ€” meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Moderately Hard5.1 GPG ยท 88 mg/L

Water in ZIP 03220 is Moderately Hard (88 mg/L / 5.1 GPG). It contains beneficial natural minerals like calcium and magnesium without causing heavy scale accumulation.

Recommendation: A water softener is optional. Regular maintenance of hot water appliances is recommended.
Hardness (GPG)

Grains per gallon

5.1 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

88 mg/L
Appliance Scaling Risk
Low / Moderate

Official EPA SDWIS Database Entry

Utility: Belmont Water Department ยท PWSID: NH0201010

Verify on EPA.gov
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Violation History

Past 5 years โ€” EPA SDWIS data

Belmont Water Department has recorded 1 violation, but none are health-based (e.g., administrative or monitoring infractions).

Total Violations (5 yr)
1
Health-Based Violations
0
Unresolved Violations
0
Boil Water Advisories
0
Compliance Risk
Low

Regulatory compliance risk for this utility is rated Low based on past reporting and enforcement records.

โš—๏ธ

Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 03220 under the Safe Drinking Water Act.

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Water Source & Environmental Factors

Ground Water

This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.

Water Source Type
Ground Water
EPA Radon Zone

Moderate potential

Zone 2
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$1
Energy Burden

% of household income spent on energy โ€” indicator of older infrastructure

3.53%

EPA Radon Zone 2 โ€” moderate radon potential. The EPA recommends testing your home regardless of zone designation.

Water Quality Testing in ZIP 03220

Tap Water & Well Testing Recommendations

Residents in ZIP code 03220 served by Belmont Water Department can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • โ€ขTest for Coliform bacteria and Nitrates annually.
  • โ€ขTest for heavy metals, radon, and PFAS every 3 years.
  • โ€ขSend samples to a state-certified drinking water laboratory recognized by New Hampshire Department of Environmental Services.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in NH for formal legal or real estate compliance testing.

๐Ÿ›ก What Should You Do? โ€” ZIP 03220 Recommendations

  • ๐Ÿšจ Install a certified NSF/ANSI 53 or 58 (reverse osmosis) filter immediately for drinking and cooking
  • ๐Ÿšจ Do not give unfiltered water to children, pregnant women, or immunocompromised individuals
  • ๐Ÿšจ Contact Belmont Water Department to request the current violation status and corrective action plan
  • ๐Ÿšจ Report concerns to your state environmental agency or call the EPA hotline: 1-800-426-4791
  • ๐Ÿšจ Consider having your home's tap water independently tested by a certified lab

Recommended Water Treatment Systems:

REQUIRED FOR SAFETY
๐Ÿบ

NSF 53 Lead Pitcher Filter

Certified to remove lead. Recommended for immediate protection.

Lead Filter Guide โ†’
STRONGLY RECOMMENDED
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NSF 58 Under-Sink RO System

Reverse Osmosis system certified to remove PFAS, heavy metals, and viruses.

RO System Guide โ†’

Frequently Asked Questions โ€” ZIP 03220 Water Quality

Is tap water safe to drink in ZIP code 03220?+
Tap water in 03220 has a below-average safety grade of D due to compliance issues. We recommend using a certified water filter for drinking and cooking.
How do I get my water tested in ZIP 03220 (Belmont, NH)?+
To test water quality in ZIP 03220, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in NH. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact New Hampshire Department of Environmental Services for a list of certified regional labs.
How hard is the tap water in 03220?+
Tap water in 03220 is classified as Moderately Hard with an estimated mineral hardness of 88 mg/L (5.1 GPG). A water softener is optional. Regular maintenance of hot water appliances is recommended.
Should I test private well water in 03220?+
Yes. Unlike municipal systems, private wells in 03220 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 03220 tap water?+
The 90th percentile lead level in 03220 is 16.0 ppb. The EPA action level is 15 ppb. This exceeds the action level โ€” a certified lead-reducing filter is recommended.
Is there an active boil water notice in 03220?+
There are currently no active boil water advisories on record for 03220. Water treatment systems are operating within normal parameters.
Who provides tap water to 03220?+
Tap water in ZIP code 03220 is provided by Belmont Water Department (EPA ID: NH0201010), serving approximately 1,612 residents.
What water filter should I use in 03220?+
Based on water metrics for 03220, we recommend Lead & Microplastic Filter. Look for certifications such as NSF/ANSI 53 (Lead Reduction), NSF/ANSI 42 (Particulate/Taste).

Data Sources & Methodology

Water quality data for ZIP code 03220 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Belmont Water Department. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data โ†’