waterbycounty
EPA SDWIS

Beaver County Water Quality

Beaver County, Oklahoma

Water Grade

F

Water Score

21.9

Violations

3

State Rank

#22

of 77 (1 = best)

EPA SDWIS Compliance

Drinking Water Quality

Water Quality Grade

F

Based on EPA compliance history and violation data

Water Score

21.9/100

Higher = better quality

Health Violations

3

Health-based violations

Violation Rate

111.2%

Systems with violations

Water Advisory: Beaver County

Water Verdict

Beaver County receives a poor water quality assessment with a grade of F and a score of 21.9 out of 100. The water supply has documented quality issues. Residents are strongly encouraged to use filtered or bottled water for drinking and to stay informed about utility improvement plans.

Violation Context

Beaver County has recorded 3 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 111.2 violations per 1,000 residents, this rate is high and signals significant water quality management issues.

Consumer Guidance

Residents of Beaver County are advised to use filtered or bottled water for drinking and cooking until water quality improves. A reverse-osmosis or activated-carbon filter certified to remove the contaminants listed in the utility's Consumer Confidence Report is recommended. With 3 recorded health violations, staying informed about utility communications and boil-water notices is especially important. For long-term peace of mind, request your utility's latest Consumer Confidence Report and consider independent water testing if you have specific health concerns.

Regional Context

Beaver County has better water quality than the average county in Oklahoma. Its water score is 6.1 points higher than the state average, indicating stronger water system performance relative to neighboring counties.

Past 5 years

Water Quality Monitoring

Monitoring Sites

7

Active in the past 5 years

Measurements Recorded

6.5K

6,453 total readings

Most Measured

  • Not Assigned
  • Physical
  • Physical, Habitat

Categories measured most frequently

Data from the EPA Water Quality Portal (WQP), aggregating monitoring records from federal, state, and tribal sources. Each measurement represents a single sample analyzed for a specific characteristic (e.g., E. coli, pH, dissolved oxygen, nitrogen).

Live USGS Streamgage

River & Stream Conditions

Current Discharge

0.05cfs

May 14, 6:00 PM UTC

vs Long-Term Average

1%

Well below typical

Primary Streamgage

Beaver River at Beaver, OK

USGS site
07234000
Drainage area
7,986 sq mi
Long-term mean
9.53 cfs

One representative streamgage (the one with the largest drainage area in the county). Many counties have multiple gauges — this view summarizes the primary one. The long-term mean is the full-record annual average; "% of typical" compares the latest reading against that average.

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Frequently Asked Questions

What is the water quality in Beaver County, Oklahoma?
Beaver County, Oklahoma has a drinking-water quality grade of F with a score of 21.9/100, based on EPA SDWIS compliance data. The county has 3 health-based drinking water violations over the past 5 years. Watershed health, monitoring records, and live streamflow are reported separately on this page.
Are there any water violations in Beaver County?
Beaver County has 3 health-based drinking water violations recorded by the EPA over the past 5 years. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs). Violations may have been resolved — check with your local water utility for current status.
How much water-quality monitoring happens in Beaver County?
EPA's Water Quality Portal records 6,453 measurements from 7 monitoring sites in Beaver County over the past five years. The most frequently measured characteristic groups are Not Assigned, Physical, Physical, Habitat. Each measurement is a single sample analyzed for one characteristic (E. coli, pH, dissolved oxygen, etc.). High monitoring density means more scientific evidence behind any reported signal — it does not by itself indicate water quality.
What's happening with rivers in Beaver County right now?
Beaver County's primary USGS streamgage on the Beaver River is currently reading 0.05 cubic feet per second — 1% of the long-term mean of 9.53 cfs. This is well below typical — often a signal of drought stress on source water. For genuine real-time data, visit waterdata.usgs.gov.
How does Beaver County water compare to the Oklahoma average?
Beaver County's SDWIS water quality score of 21.9/100 is higher than the Oklahoma state average of 15.8. The average water quality grade across Oklahoma is F, based on data from 77 counties with available SDWIS data.
Is tap water safe to drink in Beaver County?
Based on EPA SDWIS data, Beaver County has a water quality grade of F (21.9/100). This indicates below-average compliance with significant violations. Residents may want to consider home water filtration or independent testing. The grade speaks to the public water system, not the watershed — for watershed-level concerns, see the Watershed Health zone. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).
Does Beaver County have clean drinking water?
Beaver County has 3 health-based drinking water violations according to EPA records. With a water quality score of 21.9/100 and grade F, the county's drinking water has had some compliance issues but continues to be monitored. Note: drinking-water compliance speaks to the public water system, not necessarily to the watershed itself — check the Watershed Health zone for ATTAINS §303(d) data.
How does Beaver County rank for water quality in Oklahoma?
Beaver County ranks #22 out of 77 counties in Oklahoma by SDWIS water quality score (1 = best). With a score of 21.9/100, it falls in the top third of counties statewide. The ranking reflects EPA SDWIS compliance only — not watershed impairment, monitoring density, or streamflow, which are tracked separately on this page.

Counties with Similar Water Quality

Payne County

Oklahoma

F

19.9

Water score

Creek County

Oklahoma

F

24.8

Water score

Sequoyah County

Oklahoma

F

18.3

Water score

Data Sources

Drinking-water compliance data from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Water-quality monitoring counts from the EPA Water Quality Portal (WQP) — federated USGS, EPA, and state agency sampling records over a rolling 5-year window.

Live streamflow from the USGS National Water Information System (NWIS) — continuous discharge measurements from the largest-drainage gauge in each county, compared against the full-record long-term annual mean.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

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