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Review government records associated with Preston, Idaho.
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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 Preston, ID from EPA SDWIS.
Preston City of
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 5,591 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.
Worm Creek
Reported: Nov 2026
Health-relevant causes: Mercury
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
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.
Franklin County
Assessment year: 2020
According to EPA, a cancer risk of 10-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 10 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
EPA designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Logan
PM2.5 · PM-2.5 (2006 Standard)
Classification: Moderate
Original designation: Dec 2009
Current design value: 25 µg/m³ (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Preston
Annual mean: 4.6 Micrograms/cubic meter (LC)
Includes measurements flagged for exceptional events.
Observation year: 2025
Smithfield
Annual mean: 11.2 Parts per billion
Observation year: 2025
Annual mean: 0.045 Parts per million
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
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 ECHO1 site with active cleanup or investigation status
134 North State Street, Preston
Reported: Feb 2026
Release reports
Reported: Dec 2021
Reported: Dec 2021
Data from EPA UST Finder
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.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Franklin County, ID
EPA Radon Zone Map (June 2024 release)
Franklin 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.
Franklin County, IdahoPop. 15,189
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 | 5,955 | 6,827 | 7,972 |
| Poor or Fair Health | 15.9% | 13.0% | 14.2% |
| Poor Physical Health Days | 4.1 | 3.3 | 3.3 |
| Poor Mental Health Days | 5.3 | 4.7 | 4.8 |
| Adult Smoking | 17.7% | 13.8% | 15.0% |
| Adult Obesity | 37.5% | 32.1% | 34.0% |
| Air Pollution - Particulate Matter | 5.8 | 5.2 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 9.4% | 8.8% | 9.6% |
| Life Expectancy | 79.5 | 78.4 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Preston.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 5 violations for the City of Preston, including 1 marked active.
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 Preston.
The monitoring station at Preston recorded an annual average of 4.6 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Smithfield recorded an annual average of 11.2 Parts per billion for nitrogen dioxide in 2025.
The monitoring station at Smithfield recorded an annual average of 0.045 Parts per million for ozone in 2025.
The radon data for Preston covers Franklin 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 2 brownfield sites: Franklin County Senior Center; Preston Professional Plaza.
The county data for Preston reports a life expectancy of 79.5 years in Franklin County, Idaho.
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 Preston reports 5,955 years of life lost to deaths before age 75 per 100,000 residents in Franklin County, Idaho. 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 Preston lists fine-particle pollution (PM2.5) at 5.8 micrograms per cubic meter in Franklin County, Idaho.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.