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Review government records associated with Blackwell, Oklahoma.
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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 Blackwell, OK from EPA SDWIS.
Blackwell Municipal Authority
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 7,668 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.
City of Blackwell-Chikaskia River
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Other, 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.
Kay County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 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.
Ponca City
Annual mean: 0.9 Parts per billion
Observation year: 2025
Annual mean: 7.8 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 ECHONo matching brownfield records with active cleanup or investigation status surfaced for this city report.
Reviewed: active/open records as of Q1 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
No MSHA mine or extraction site records shown for this report.
Kay County, OK
EPA Radon Zone Map (June 2024 release)
Kay County is EPA Radon Zone 3 (low potential). EPA defines Zone 3 counties as having predicted average indoor screening levels below 2 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.
Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Kay County, OklahomaPop. 43,668
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 | 12,602 | 10,334 | 7,972 |
| Poor or Fair Health | 21.3% | 19.2% | 14.2% |
| Poor Physical Health Days | 4.4 | 3.8 | 3.3 |
| Poor Mental Health Days | 6.0 | 5.5 | 4.8 |
| Adult Smoking | 22.0% | 17.5% | 15.0% |
| Adult Obesity | 40.3% | 40.0% | 34.0% |
| Air Pollution - Particulate Matter | 7.9 | 8.7 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 11.6% | 11.6% | 9.6% |
| Life Expectancy | 72.3 | 74.4 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Blackwell.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 25 violations for Blackwell Municipal Authority.
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 Blackwell.
The monitoring station at Ponca City recorded an annual average of 0.9 Parts per billion for sulfur dioxide in 2025.
The monitoring station at Ponca City recorded an annual average of 7.8 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Blackwell covers Kay County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 3 brownfield sites: Blackwell Armory; Halliburton Property; Huston Elementary.
EPA Superfund recordsView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Blackwell reports a life expectancy of 72.3 years in Kay County, Oklahoma.
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 Blackwell reports 12,602 years of life lost to deaths before age 75 per 100,000 residents in Kay County, Oklahoma. 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 Blackwell lists fine-particle pollution (PM2.5) at 7.9 micrograms per cubic meter in Kay County, Oklahoma.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Rose Rock Midstream L.P. near Blackwell on Apr 2, 2014. The reported release was crude oil.