Current Health-Based Noncompliance OK 1 HEALTH VIOLATION

Dewey Company Rwd #3

EPA ID: OK2007707 ยท 755 people served ยท 5 ZIP codes

ZipCheckup's reading of EPA SDWIS for Dewey Company Rwd #3 (OK2007707): 4 unresolved EPA violations on record. Right now, Dewey Company Rwd #3 shows 4 EPA violations marked active and unresolved - the provider continues to supply approximately 755 residents while each finding awaits closure.

Data: EPA SDWIS

B ยท 84
Avg Safety Score
755
People Served
5
ZIP Codes Served
14
Violations (5yr)
Groundwater
Water Source
0.001 mg/L
Max Lead Level
Zone 3
Radon Risk ยท Low
6
Contaminants Flagged
$130K
Median Home Value in Service Area

Service Area Map

Coverage area for Dewey Company Rwd #3 Source: EPA SDWIS service area boundaries.

Service area boundary - Grade B

Service Area Demographics

$65,454
Median Household Income
17,663
Service Area Population
78%
Disadvantaged Population
68th
Poverty Percentile
68th
Energy Burden Percentile
66%
Pre-1986 Housing

The Dewey Company Rwd #3 serves a community with a median household income of $65,454 and an estimated 17,663 residents across its service area. Approximately 66% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: 78% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Dewey Company Rwd #3's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Elevated Risk
Source Contamination Risk
24th
Wastewater Discharge Proximity
2th
Superfund Site Proximity

Infrastructure Risk

57 yr
Avg Pipe Age
Copper
Pipe Material
13 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 81% of expected lifespan used End of life

Detected Contaminants

How Dewey Company Rwd #3 compares to EPA limits

Haloacetic Acids (HAA5) 2 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.06 mg/L
Cancer risk; reproductive & developmental effects
Total Trihalomethanes (TTHM) 2 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.08 mg/L
Bladder & rectal cancer risk; reproductive concerns

What This Means For You

Haloacetic Acids (HAA5) at 2 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.

Total Trihalomethanes (TTHM) at 2 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.

Surface Water Treatment Rule at 4 mg/L exceeds the EPA maximum of mg/L.

Contaminant 2034 at 2 mg/L exceeds the EPA maximum of mg/L.

Contaminant 2105 at 2 mg/L exceeds the EPA maximum of mg/L.

Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.

Find a certified water filter โ†’

Comparable Water Systems

Similar-sized systems in Oklahoma

33 violations
23 violations
A 38 violations
3 violations
Arapaho
748 people
12 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Lead Pipe Replacement Water Filtration Flood Insurance
Lead Pipe Replacement $912
Water Filtration $240
Flood Insurance $240
Total Estimated Cost $1,392

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,000

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

5 years
$5,000
10 years
$10,000
20 years
$20,000

Compare: Estimated remediation cost is $1,392 (one-time) vs. $10,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Dewey Company Rwd #3 (EPA ID: OK2007707) is a community water system in Oklahoma that serves approximately 755 people from groundwater sources.

This system provides water to 5 ZIP codes across 5 communities.

ZIP-Area Home Safety Context: B (84/100)

This is the average Home Safety Score for 1 of 5 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

1 current health-based noncompliance record in the accepted 2026Q2 snapshot.

Status breakdown for accepted records with record years 2021-2026: 8 resolved, 2 archived, 2 addressed, and 2 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

Date Contaminant Type Status
July 1, 2025 Surface Water Treatment Rule Non-health-based Unaddressed (current)
January 1, 2025 Haloacetic Acids (HAA5) Non-health-based Archived
January 1, 2025 Total Trihalomethanes (TTHM) Non-health-based Archived
October 17, 2024 Stage 2 DBP Rule Health-based Addressed (current)
October 17, 2024 Stage 2 DBP Rule Non-health-based Addressed (current)
July 1, 2024 Surface Water Treatment Rule Non-health-based Unaddressed (current)
October 2, 2022 Surface Water Treatment Rule Non-health-based Resolved
July 1, 2022 Contaminant 2034 Non-health-based Resolved
July 1, 2022 Contaminant 2034 Non-health-based Resolved
July 1, 2022 Contaminant 2105 Non-health-based Resolved
July 1, 2022 Contaminant 2105 Non-health-based Resolved
July 1, 2022 Haloacetic Acids (HAA5) Non-health-based Resolved
July 1, 2022 Total Trihalomethanes (TTHM) Non-health-based Resolved
July 1, 2021 Surface Water Treatment Rule Non-health-based Resolved

Contaminants Detected

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

Contaminant Category Violations Health-Based
Surface Water Treatment Rule Treatment Failure 4 No
Contaminant 2034 Other Violation 2 No
Contaminant 2105 Other Violation 2 No
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 No
Haloacetic Acids (HAA5) Disinfection Byproducts 2 No
Stage 2 DBP Rule Treatment Failure 2 Yes

Lead & Copper

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

Lead Level Exceeds Action Level Sample Date
0.001 mg/L No N/A

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

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” this helps flush lead from your pipes.

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.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Dewey Company Rwd #3 (OK2007707) on EPA.gov.

Frequently Asked Questions

Is Dewey Company Rwd #3 water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Dewey Company Rwd #3. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.

How many people does Dewey Company Rwd #3 serve?

Dewey Company Rwd #3 serves approximately 755 people across 5 ZIP codes in Oklahoma.

Where does Dewey Company Rwd #3 get its water?

The primary water source is groundwater.

Frequently Asked Questions

Is water from Dewey Company Rwd #3 safe to drink?
Dewey Company Rwd #3 earns a B safety grade with 14 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in Dewey Company Rwd #3's water?
Detected contaminants include Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM), Surface Water Treatment Rule, Contaminant 2034. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 5 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Dewey Company Rwd #3 serve?
Dewey Company Rwd #3 serves approximately 755 people with drinking water across 5 ZIP codes.
What is Dewey Company Rwd #3's water source?
Dewey Company Rwd #3 draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Dewey Company Rwd #3's water?
The maximum detected lead level is 0.001 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Dewey Company Rwd #3's service area?
The Dewey Company Rwd #3 service area has a median household income of $65,454. EPA EJScreen data classifies 78% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Dewey Company Rwd #3 get its water?
Dewey Company Rwd #3's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on the exported violation history and environmental factors, the source contamination risk is classified as elevated.

How to cite this page

APA ZipCheckup. (n.d.). Dewey Company Rwd #3 (OK): 1 Health Violation. https://zipcheckup.com/water-system/ok2007707/
BibTeX
@misc{zipcheckup-water-system-ok2007707,
  author = {{ZipCheckup}},
  title  = {{Dewey Company Rwd #3 (OK): 1 Health Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ok2007707/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Dewey Company Rwd #3 (EPA ID: OK2007707) - request the latest Consumer Confidence Report or ask about specific contaminants.

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