Northern Ohio Water Assoc
EPA ID: AR0000175 · 720 people served · 6 ZIP codes
EPA data: Northern Ohio Water Assoc — zero violations, five years, 720 served.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2023) to 8 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Northern Ohio Water Assoc Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Northern Ohio Water Assoc serves a community with a median household income of $44,390 and an estimated 7,174 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 73% 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.
💧 Where Does Your Water Come From?
Northern Ohio Water Assoc'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.
About 1% of homes in Crittenden County, Arkansas rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Arkansas
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
NORTHERN OHIO WATER ASSOC (EPA ID: AR0000175) is a community water system in Arkansas that serves approximately 720 people from groundwater sources.
This system provides water to 6 ZIP codes across 6 communities.
Average Home Safety Score: C (66/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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 $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: 3 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 3 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 72325 — Clarkedale
- 72339 — Gilmore
- 72354 — Lepanto
- 72365 — Marked Tree
- 72384 — Turrell
- 72386 — Tyronza
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Northern Ohio Water Assoc (AR0000175) on EPA.gov.
Frequently Asked Questions
Is Northern Ohio Water Assoc water safe to drink?
Based on EPA records, Northern Ohio Water Assoc has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Northern Ohio Water Assoc serve?
Northern Ohio Water Assoc serves approximately 720 people across 6 ZIP codes in Arkansas.
Where does Northern Ohio Water Assoc get its water?
The primary water source is groundwater.
Contact Your Water Utility
Public-record contact information for the water utility serving this system. Use these channels to request water quality reports, ask about service, or report issues directly.
Contact information from Northern Ohio Water Association Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility, does not act as its agent, and does not provide customer support for it. Contact details shown are public-record information from CCR filings. For service issues, contact the utility directly using the information above.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: Northern Ohio Water Association Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
The Arkansas Department of Health has completed a Source Water Vulnerability Assessment for Marked Tree Water. The assessment summarizes the potential for contamination of our source of drinking water and can be used as a basis for developing a source water protection plan. Based on the various criteria of the assessment, our water source has been determined to have a high susceptibility to contamination. You may request a summary of the Source Water Vulnerability Assessment from our office.
Treatment regime
How this utility classifies its treatment process and what each reported treatment chemical does.
Watershed exposure sources reported
Land-use and natural conditions identified in the utility's source-water assessment as potential contamination sources upstream of treatment.
Treatment classification and chemical list sourced from Northern Ohio Water Association Consumer Confidence Report.
Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.
Lead Service Line Replacement Tracker
This water utility's lead service line (LSL) replacement program is tracked from public Consumer Confidence Report filings. Email signup notifies subscribers when the utility files an updated replacement plan or progress milestone.
Northern Ohio Water Association
ZipCheckup is not affiliated with this water utility. LSL replacement-program data is sourced from public CCR filings published by the utility. Subscription notifications are based on automated parsing of subsequent CCR releases.
Learn more about Lead and Copper Rule replacement requirements →
Notable events and violations
This section summarizes events the utility chose to disclose in its most recent Consumer Confidence Report, plus any federal compliance violations the utility recorded against itself. Both lists are utility-authored — ZipCheckup does not audit, judge, or reorder them.
Federal compliance violations on record
These entries are taken verbatim from the utility's CCR violations section. EPA defines four broad violation categories: Maximum Contaminant Level (MCL), Treatment Technique (TT), Monitoring & Reporting (M&R), and Public Notification (PN).
-
monitoring2024-10-01/2024-10-30
Failed to monitor and/or report sample results, as specified in the RTCR
-
public notice2024-10-01/2024-10-30
State licensing regulations were not met
-
public notice2024-11-01/2024-11-30
Failed to conduct a public notice regarding licensing within the mandated timeframe
-
reporting2024-10-16/CURRENT
Failed to submit a lead service line inventory to the state
Violations record from Northern Ohio Water Association Consumer Confidence Report.
Notable events from the utility's CCR
These bullet entries are the utility's own narration of operational, regulatory, or infrastructure events during the reporting period.
- Conducted Level 1 assessment due to coliforms in water system
ZipCheckup note: items above reflect what the utility published in its most recent CCR. Federal violation records are also tracked separately by the EPA Safe Drinking Water Information System (SDWIS) — the SDWIS record is the authoritative federal source for any specific regulatory action.
Frequently Asked Questions
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
Northern Ohio Water Assoc (EPA ID: AR0000175) — request the latest Consumer Confidence Report or ask about specific contaminants.