Northwestern W and Sd - Mccomb
EPA ID: OH3200411 · 1,527 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Northwestern W and Sd - Mccomb (OH3200411): 1 violation recorded with unresolved status in the SDWIS data used. Open violations at Northwestern W and Sd - Mccomb number 1 in the EPA compliance data, for a system that serves about 1,527 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
Service Area Map
Coverage area for Northwestern W and Sd - Mccomb Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Northwestern W and Sd - Mccomb have a median household income of $66,552 and about 58,884 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 66% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Northwestern W and Sd - Mccomb'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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Ohio
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
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.
System Overview
Northwestern W and Sd - Mccomb (EPA ID: OH3200411) is a community water system in Ohio that serves approximately 1,527 people from surface water sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 8 resolved, 0 archived, 0 addressed, and 1 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 |
|---|---|---|---|
| December 1, 2025 | Consumer Confidence Rule | Non-health-based | Unaddressed (current) |
| July 31, 2024 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 1, 2024 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| October 1, 2023 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| July 1, 2023 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| April 1, 2023 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2023 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| October 1, 2022 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| July 1, 2022 | Total Haloacetic Acids (HAA5) | 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) | MCL Violation | 7 | Yes |
| Consumer Confidence Rule | Other (notice or report rule) | 2 | No |
Health Risk Details
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:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | 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.
Radon Risk in Service Area
3 of 3 ZIP records with known zones are in EPA Radon Zone 1.
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 OH 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 Northwestern W and Sd - Mccomb (OH3200411) on EPA.gov.
Frequently Asked Questions
Is Northwestern W and Sd - Mccomb water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Northwestern W and Sd - Mccomb serve?
Northwestern W and Sd - Mccomb serves approximately 1,527 people across 3 ZIP codes in Ohio.
Where does Northwestern W and Sd - Mccomb get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Northwestern W and Sd - Mccomb (OH): 7 Health Violations. https://zipcheckup.com/water-system/oh3200411/
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author = {{ZipCheckup}},
title = {{Northwestern W and Sd - Mccomb (OH): 7 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/oh3200411/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Northwestern W and Sd - Mccomb (EPA ID: OH3200411) - request the latest Consumer Confidence Report or ask about specific contaminants.