Historical Compliance Records OK 1 HEALTH-BASED VIOLATION ON RECORD

West Siloam Springs

EPA ID: OK3002109 ยท 877 people served ยท 1 ZIP code

ZipCheckup's reading of EPA records for West Siloam Springs (OK3002109): 1 health-based violation recorded since 2021. 19 violations on file at West Siloam Springs, none open; 877 people served.

Data: EPA SDWIS

877
People Served
1
ZIP Code Served
19
Violations (since 2021)
Surface Water
Water Source
0.0014 mg/L
Most recent lead 90th percentile on record (monitoring period ending 2025-12-31)
7
Contaminants Flagged
$117K
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for West Siloam Springs Source: EPA SDWIS service area boundaries.

Service area boundary

Demographics of ZIP Codes Served

$59,167
Median Household Income
5,306
Population of ZIP Codes Served (Census)
100%
Disadvantaged Population
80th
Poverty Percentile
90th
Energy Burden Percentile
53%
Pre-1986 Housing

The ZIP codes associated with West Siloam Springs have a median household income of $59,167 and about 5,306 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 53% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: On average, 100% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐ŸŒŠ Where Does Your Water Come From?

Surface Water

West Siloam Springs's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Elevated Risk
Source Contamination Risk
60th
Wastewater Discharge Proximity
20th
Superfund Site Proximity

Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.

Infrastructure Risk

40 yr
Estimated pipe age (modeled from housing age)
Copper
Likely pipe material (modeled)
30 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 57% of expected lifespan used (estimate) End of life

Comparable Water Systems

Similar-sized systems in Oklahoma

27 violations
8 violations
0 violations
6 violations
Seiling
860 people
5 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Water Filtration
Water Filtration $600
Total Estimated Cost $600

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

Illustrative per-household cost scenario based on stated assumptions:

Estimated Healthcare Costs $1,500

Annual per household (ZipCheckup estimate)

Estimated Cumulative Cost Per Household

5 years
$7,500
10 years
$15,000
20 years
$30,000

Compare: Estimated remediation cost is $600 (one-time) vs. $15,000 in estimated inaction costs over 10 years.

Individual costs vary by household size, property, and health factors. These estimates are for awareness, not financial advice.

System Overview

West Siloam Springs (EPA ID: OK3002109) is a community water system in Oklahoma that serves approximately 877 people from surface water sources.

This system serves ZIP code 74338 in Colcord.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 19 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 19 resolved, 0 archived, 0 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

Date Contaminant Type Status
May 1, 2025 Chlorine Non-health-based Resolved
May 1, 2025 Revised Total Coliform Rule Non-health-based Resolved
October 17, 2024 LEAD AND COPPER RULE REVISIONS Health-based Resolved
October 17, 2024 LEAD AND COPPER RULE REVISIONS Non-health-based Resolved
September 1, 2024 Chlorine Non-health-based Resolved
July 1, 2024 Lead and Copper Rule Non-health-based Resolved
April 1, 2024 Chlorine Non-health-based Resolved
January 1, 2024 TTHM Non-health-based Resolved
January 1, 2024 Total Haloacetic Acids (HAA5) Non-health-based Resolved
October 1, 2023 Lead and Copper Rule Non-health-based Resolved
October 1, 2023 TTHM Non-health-based Resolved
October 1, 2023 Total Haloacetic Acids (HAA5) Non-health-based Resolved
July 1, 2023 TTHM Non-health-based Resolved
July 1, 2023 Total Haloacetic Acids (HAA5) Non-health-based Resolved
October 2, 2022 Consumer Confidence Rule Non-health-based Resolved
October 1, 2022 Lead and Copper Rule Non-health-based Resolved
January 1, 2022 TTHM Non-health-based Resolved
January 1, 2022 Total Haloacetic Acids (HAA5) Non-health-based Resolved
October 1, 2021 Lead and Copper 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
Total Haloacetic Acids (HAA5) Monitoring & Reporting 4 No
TTHM Monitoring & Reporting 4 No
Lead and Copper Rule Monitoring & Reporting 4 No
Chlorine Monitoring & Reporting 3 No
LEAD AND COPPER RULE REVISIONS Treatment Technique, Monitoring & Reporting 2 Yes
Consumer Confidence Rule Other (notice or report rule) 1 No
Chlorine Monitoring & Reporting 1 No

Lead & Copper

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

Lead Level Exceeds Action Level Sample Date
0.0014 mg/L No 2025-12-31

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

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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.

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 available EPA compliance records for West Siloam Springs (OK3002109) on EPA.gov.

Frequently Asked Questions

Is West Siloam Springs water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for West Siloam Springs; its 19 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does West Siloam Springs serve?

West Siloam Springs serves approximately 877 people across 1 ZIP code in Oklahoma.

Where does West Siloam Springs get its water?

The primary water source is surface water.

Frequently Asked Questions

Should I use a water filter? ▼
Given 19 recorded violations, review the violation types and dates; a filter certified for a specific contaminant of concern can reduce that contaminant at the tap. Monitoring or reporting violations are not something a filter addresses.
How many people does West Siloam Springs serve? ▼
West Siloam Springs serves approximately 877 people with drinking water across 1 ZIP code.
What is West Siloam Springs's water source? ▼
West Siloam Springs draws water from surface water sources. Source type affects which contaminants are most likely to be present.
Is there lead in West Siloam Springs's water? ▼
The most recent 90th-percentile lead result on record is 0.0014 mg/L (sample period ending 2025-12-31). This is at or below the EPA lead action level, which triggers system action and is not a safe level; the EPA health goal for lead is zero.
What is the demographic profile of the ZIP codes associated with West Siloam Springs? ▼
The ZIP codes mapped to West Siloam Springs have a median household income of $59,167 (Census ZIP-code estimate). In CEJST data, 100% of census tracts in the counties mapped to this area are designated disadvantaged (average across mapped ZIP codes), which may indicate greater vulnerability to environmental health risks.
Where does West Siloam Springs get its water? ▼
West Siloam Springs's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap. The available violation history and environmental indicators place this system in the elevated review category; they do not measure current source contamination.

How to cite this page

APA ZipCheckup. (n.d.). West Siloam Springs (OK): 1 Health Violation. https://zipcheckup.com/water-system/ok3002109/
BibTeX
@misc{zipcheckup-water-system-ok3002109,
  author = {{ZipCheckup}},
  title  = {{West Siloam Springs (OK): 1 Health Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ok3002109/}
}

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

West Siloam Springs (EPA ID: OK3002109) - request the latest Consumer Confidence Report or ask about specific contaminants.

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