Nowata Company Rwd #7

ZipCheckup's reading of EPA records for Nowata Company Rwd #7 (OK3005321): 30 violations recorded with unresolved status in the SDWIS data used. Open violations at Nowata Company Rwd #7 number 30 in the EPA compliance data, for a system that serves about 1,050 people. An open status describes how each violation is logged in the federal record; it is not a measurement of what comes out of any individual tap.

Data: EPA SDWIS

System Overview

Nowata Company Rwd #7 (EPA ID: OK3005321) is a community water system in Oklahoma that serves approximately 1,050 people from surface water sources.

This system provides water to 4 ZIP codes across 4 communities.

Violation History

Status breakdown for accepted records with record years 2021-2026: 23 resolved, 0 archived, 30 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Health Risk Details

Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)

Increased risk of cancer

Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →

Total Trihalomethanes (TTHM) (EPA limit: 0.08 mg/L)

Long-term exposure is associated with increased cancer risk, including bladder cancer; possible reproductive effects At-risk groups: pregnant women, long-term consumers of chlorinated water.

Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, point-of-entry aeration. Find the right filter →

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

4 of 4 ZIP records with known zones are in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OK or modeled from parcel and building-footprint data.

• 74027 - Delaware
• 74042 - Lenapah
• 74072 - S Coffeyville
• 74083 - Wann

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Nowata Company Rwd #7 (OK3005321) on EPA.gov.

Frequently Asked Questions

Is Nowata Company Rwd #7 water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 30 current noncompliance records and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.

How many people does Nowata Company Rwd #7 serve?

Nowata Company Rwd #7 serves approximately 1,050 people across 4 ZIP codes in Oklahoma.

Where does Nowata Company Rwd #7 get its water?

The primary water source is surface water.

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  author = {{ZipCheckup}},
  title  = {{Nowata Company Rwd #7 (OK): 17 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ok3005321/}
}