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ONESCHOOL GLOBAL ASHLAND

PWS ID: OH0346116 · BLACKLICK, Ohio 43004-8058

ONESCHOOL GLOBAL ASHLAND serves 70 people in BLACKLICK, Ohio using Groundwater water sources. It has 88 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ONESCHOOL GLOBAL ASHLAND

ONESCHOOL GLOBAL ASHLAND is a private-owned non-transient non-community water system that delivers drinking water to 70 residents in BLACKLICK, Ohio (Ashland County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 88 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 88 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is 1,1-Dichloroethylene, recorded in 4 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Ohio, EPA tracks 4,181 public water systems serving 11,085,226 people, with 288,388 cumulative violations and 52,412 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. ONESCHOOL GLOBAL ASHLAND's 88 violations sit above the Ohio average. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
70
Total Violations
88
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Ashland
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
88
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,1-Dichloroethylene MR 4 2020
1,2-Dichloroethane MR 4 2020
1,1,1-Trichloroethane MR 4 2020
Trichloroethylene MR 4 2020
1,1,2-Trichloroethane MR 4 2020
Tetrachloroethylene MR 4 2020
CHLOROBENZENE MR 4 2020
Toluene MR 4 2020
cis-1,2-Dichloroethylene MR 4 2020
Xylenes, Total MR 4 2020
p-Dichlorobenzene MR 4 2020
Vinyl chloride MR 4 2020
Benzene MR 4 2020
E. COLI MR 4 2019
1,2-Dichloropropane MR 4 2020
trans-1,2-Dichloroethylene MR 4 2020
Styrene MR 4 2020
Ethylbenzene MR 4 2020
Carbon tetrachloride MR 4 2020
DICHLOROMETHANE MR 4 2020
1,2,4-Trichlorobenzene MR 4 2020
o-Dichlorobenzene MR 4 2020

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for ONESCHOOL GLOBAL ASHLAND.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID OH0346116 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Ohio Drinking Water Authority

Ohio EPA — Division of Drinking and Ground Waters is the primacy agency that licenses and inspects ONESCHOOL GLOBAL ASHLAND under EPA-delegated authority.

Open OH regulator portal

Source: Ohio EPA — Division of Drinking and Ground Waters

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2020 1,1-Dichloroethylene MR 4 SDWIS / OH0346116 / 2977
2020 1,2-Dichloroethane MR 4 SDWIS / OH0346116 / 2980
2020 1,1,1-Trichloroethane MR 4 SDWIS / OH0346116 / 2981
2020 Trichloroethylene MR 4 SDWIS / OH0346116 / 2984
2020 1,1,2-Trichloroethane MR 4 SDWIS / OH0346116 / 2985
2020 Tetrachloroethylene MR 4 SDWIS / OH0346116 / 2987
2020 CHLOROBENZENE MR 4 SDWIS / OH0346116 / 2989
2020 Toluene MR 4 SDWIS / OH0346116 / 2991
2020 cis-1,2-Dichloroethylene MR 4 SDWIS / OH0346116 / 2380
2020 Xylenes, Total MR 4 SDWIS / OH0346116 / 2955
2020 p-Dichlorobenzene MR 4 SDWIS / OH0346116 / 2969
2020 Vinyl chloride MR 4 SDWIS / OH0346116 / 2976
2020 Benzene MR 4 SDWIS / OH0346116 / 2990
2020 1,2-Dichloropropane MR 4 SDWIS / OH0346116 / 2983
2020 trans-1,2-Dichloroethylene MR 4 SDWIS / OH0346116 / 2979

How ONESCHOOL GLOBAL ASHLAND Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric ONESCHOOL GLOBAL ASHLAND Ohio avg Federal benchmark
Total violations 88 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 12.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 59% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 70 2,651 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,181 regulated public water systems in Ohio.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is ONESCHOOL GLOBAL ASHLAND water safe to drink? ▼
ONESCHOOL GLOBAL ASHLAND (PWS ID: OH0346116) has 88 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 70 people using Groundwater sources.
How many people does ONESCHOOL GLOBAL ASHLAND serve? ▼
ONESCHOOL GLOBAL ASHLAND serves 70 people in BLACKLICK, Ohio. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does ONESCHOOL GLOBAL ASHLAND have? ▼
ONESCHOOL GLOBAL ASHLAND has 88 total violations: 0 health-based violations (MCL exceedances or treatment failures), 88 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ONESCHOOL GLOBAL ASHLAND water? ▼
No PFAS testing data is available for ONESCHOOL GLOBAL ASHLAND under the EPA's UCMR5 monitoring program.
What water source does ONESCHOOL GLOBAL ASHLAND use? ▼
ONESCHOOL GLOBAL ASHLAND uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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