waterbycounty
EPA SDWIS

Arthur County Water Quality

Arthur County, Nebraska

Water Grade

N/A

Water Score

N/A

Violations

N/A

State Rank

N/A

EPA SDWIS Compliance

Drinking Water Quality

Water Advisory: Arthur County

Water Verdict

Arthur County does not have sufficient EPA SDWIS water quality data to determine an overall assessment. Residents should contact their local water utility for the most recent Consumer Confidence Report.

Violation Context

Health-based violation data is not available for Arthur County. EPA health violations occur when water systems exceed allowable contaminant levels or fail to meet treatment requirements. Residents should request the latest Consumer Confidence Report from their water provider.

Consumer Guidance

Residents of Arthur County should obtain the annual Consumer Confidence Report from their water utility, which lists detected contaminants and any violations. Even without available data, using a NSF-certified water filter can provide additional peace of mind for drinking water.

Regional Context

State-level water quality comparison data is not available for Arthur County. When data is available, this section will show how the county's water quality compares to other counties in Nebraska.

Clean Water Act §303(d)

Watershed Health

Impaired Water Bodies

66.7%

4 of 6 assessed

High concern

Top Impairment Causes

  • 1

    ESCHERICHIA COLI (E. COLI)

  • 2

    TEMPERATURE

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.

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Frequently Asked Questions

What is the water quality in Arthur County, Nebraska?
Arthur County, Nebraska has a drinking-water quality grade of N/A with a score of N/A/100, based on EPA SDWIS compliance data. Compliance data is currently unavailable. Watershed health, monitoring records, and live streamflow are reported separately on this page.
Are there any water violations in Arthur County?
Violation data for Arthur County is not currently available. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs).
How healthy are the watersheds in Arthur County?
EPA ATTAINS assessments under Clean Water Act §303(d) indicate 66.7% of Arthur County's 6 assessed water bodies are classified as impaired (4 impaired). The top reported causes are ESCHERICHIA COLI (E. COLI), TEMPERATURE. 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 does Arthur County water compare to the Nebraska average?
Arthur County's SDWIS water quality score of N/A/100 is not available for comparison. 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 Arthur County?
Based on EPA SDWIS data, Arthur County has a water quality grade of N/A (N/A/100). Insufficient data is available to fully assess compliance. 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 Arthur County have clean drinking water?
Arthur County has no reported health-based drinking water violations according to EPA records. With a water quality score of N/A/100 and grade N/A, 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 is water quality measured?
WaterByCounty layers four federal datasets per county. The A–F drinking-water grade comes from EPA SDWIS (Safe Drinking Water Act compliance, 5-year violation lookback). The Watershed Health zone surfaces EPA ATTAINS §303(d) impairment data. The Monitoring zone summarizes EPA Water Quality Portal records. The Streamflow zone reports the latest USGS NWIS reading from the county's primary streamgage. Each is reported separately so you can see where the water is actually weakest.

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.

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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