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EPA SDWIS

Stanton County Water Quality

Stanton County, Nebraska

Water Grade

D

Water Score

43.9

Violations

1

State Rank

#56

of 90 (1 = best)

EPA SDWIS Compliance

Drinking Water Quality

Water Quality Grade

D

Based on EPA compliance history and violation data

Water Score

43.9/100

Higher = better quality

Health Violations

1

Health-based violations

Violation Rate

25.4%

Systems with violations

Water Advisory: Stanton County

Water Verdict

Stanton County receives a below-average water quality assessment with a grade of D and a score of 43.9 out of 100. Residents should review their utility's Consumer Confidence Report and may want to consider additional water filtration for drinking.

Violation Context

Stanton County has recorded 1 health-based violation, meaning the water system experienced at least one exceedance of federal contaminant limits or treatment requirements. At 25.4 violations per 1,000 residents, this rate is high and signals significant water quality management issues.

Consumer Guidance

Residents of Stanton 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 1 recorded health violation, 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

Stanton County has poorer water quality than the average county in Nebraska. Its water score is 14.2 points lower than the state average, suggesting more challenges with contamination control or infrastructure than neighboring counties.

Clean Water Act §303(d)

Watershed Health

Impaired Water Bodies

53.3%

8 of 15 assessed

Moderate concern

Top Impairment Causes

  • 1

    ESCHERICHIA COLI (E. COLI)

  • 2

    CAUSE UNKNOWN

Source: EPA ATTAINS · Reporting cycle 2022

Impairment is determined under the Clean Water Act §303(d): a water body is impaired when it fails to meet state-defined quality standards for designated uses (drinking, recreation, aquatic life). Assessment coverage varies by state — counties without assessed water bodies are not shown.

Past 5 years

Water Quality Monitoring

Monitoring Sites

7

Active in the past 5 years

Measurements Recorded

1.2K

1,189 total readings

Most Measured

  • Physical
  • Nutrient
  • Microbiological

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

467cfs

May 14, 6:45 PM UTC

vs Long-Term Average

46%

Well below typical

Primary Streamgage

Elkhorn River at Pilger, Nebr.

USGS site
06799315
Drainage area
4,360 sq mi
Long-term mean
1,016 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 Stanton County, Nebraska?
Stanton County, Nebraska has a drinking-water quality grade of D with a score of 43.9/100, based on EPA SDWIS compliance data. The county has 1 health-based drinking water violation over the past 5 years. Watershed health, monitoring records, and live streamflow are reported separately on this page.
Are there any water violations in Stanton County?
Stanton County has 1 health-based drinking water violation 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 healthy are the watersheds in Stanton County?
EPA ATTAINS assessments under Clean Water Act §303(d) indicate 53.3% of Stanton County's 15 assessed water bodies are classified as impaired (8 impaired). The top reported causes are ESCHERICHIA COLI (E. COLI), CAUSE UNKNOWN. Impairment means the water body fails to meet state quality standards for at least one designated use — drinking water source, recreation, aquatic life, or fish consumption. Note: watershed impairment doesn't always translate to tap-water issues; treatment plants can remove most regulated contaminants.
How much water-quality monitoring happens in Stanton County?
EPA's Water Quality Portal records 1,189 measurements from 7 monitoring sites in Stanton County over the past five years. The most frequently measured characteristic groups are Physical, Nutrient, Microbiological. 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 Stanton County right now?
Stanton County's primary USGS streamgage on the Elkhorn River is currently reading 467 cubic feet per second — 46% of the long-term mean of 1,016.2 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 Stanton County water compare to the Nebraska average?
Stanton County's SDWIS water quality score of 43.9/100 is lower than the Nebraska state average of 58.1. The average water quality grade across Nebraska is D, based on data from 90 counties with available SDWIS data.
Is tap water safe to drink in Stanton County?
Based on EPA SDWIS data, Stanton County has a water quality grade of D (43.9/100). 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 Stanton County have clean drinking water?
Stanton County has 1 health-based drinking water violation according to EPA records. With a water quality score of 43.9/100 and grade D, 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 Stanton County rank for water quality in Nebraska?
Stanton County ranks #56 out of 90 counties in Nebraska by SDWIS water quality score (1 = best). With a score of 43.9/100, it falls in the middle 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

Colfax County

Nebraska

D

44.9

Water score

Fillmore County

Nebraska

D

45.2

Water score

Phelps County

Nebraska

D

42.1

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.

Watershed health and impaired-waterway data from the EPA ATTAINS Clean Water Act §303(d) assessments — state-reported, EPA-finalized.

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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