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Review government records associated with Laconia, New Hampshire.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Laconia, NH from EPA SDWIS.
Laconia Water Works
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 17,000 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detection records shown for these water systems
Open data source: EPA UCMR5DoD PFAS — No investigation records shown for this report
Open data source: DoD PFASEPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Paugus Bay
Reported: Nov 2026
Health-relevant causes: Mercury, Pathogens
Affected uses: Ecological, Fishconsumption, Recreation
Data from EPA ATTAINS
Reviewed: source records as of Q4 2025
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Belknap County
Assessment year: 2020
According to EPA, a cancer risk of 20-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 20 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
33-001-2007 — Laconia, New Hampshire
Annual mean: 0.040 Parts per million
Observation year: 2025
33-001-2008 — Laconia, New Hampshire
Annual mean: 0.035 Parts per million
Observation year: 2025
Annual mean: 4.4 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
No facility records with active violation or noncompliance flags surfaced in EPA ECHO.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
Reviewed: source records as of 2024
Reviewed: source query run Nov 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO3 sites with active cleanup or investigation status
621 Main St, Laconia
Reported: Feb 2026
54 Water Street, Laconia
Reported: Feb 2026
1 Right Way Path, Laconia
Reported: Feb 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
Release reports
Reported: Dec 2021
Reported: Dec 2021
Data from EPA UST Finder
Reviewed: reporting year 2024
Sites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
Recently updated active/intermittent sites (1)
Data from MSHA
Belknap County, NH
EPA Radon Zone Map (June 2024 release)
Belknap County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
No FEMA flood-zone records shown for this report.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Belknap County, New HampshirePop. 64,781
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 8,603 | 6,499 | 7,972 |
| Poor or Fair Health | 11.9% | 11.2% | 14.2% |
| Poor Physical Health Days | 3.2 | 3.0 | 3.3 |
| Poor Mental Health Days | 5.0 | 5.2 | 4.8 |
| Adult Smoking | 15.0% | 12.7% | 15.0% |
| Adult Obesity | 30.4% | 31.2% | 34.0% |
| Air Pollution - Particulate Matter | 3.7 | 5.3 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 7.4% | 7.3% | 9.6% |
| Life Expectancy | 76.8 | 79.2 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Laconia.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for Laconia Water Works.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Laconia.
The monitoring station at 33-001-2007, Laconia, New Hampshire recorded an annual average of 0.04 Parts per million for ozone in 2025.
The monitoring station at 33-001-2008, Laconia, New Hampshire recorded an annual average of 0.035 Parts per million for ozone in 2025.
The monitoring station at 33-001-2008, Laconia, New Hampshire recorded an annual average of 4.4 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Laconia covers Belknap County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 3 brownfield sites: Colonial Theatre; Laconia Millworks Allen Rogers; Lakes Region Facility.
EPA Superfund recordsView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Laconia reports a life expectancy of 76.8 years in Belknap County, New Hampshire.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Laconia reports 8,603 years of life lost to deaths before age 75 per 100,000 residents in Belknap County, New Hampshire. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Laconia lists fine-particle pollution (PM2.5) at 3.7 micrograms per cubic meter in Belknap County, New Hampshire.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.