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Non-Transient Non-Community Water System · PWS OH2340812

Small Wonders Learning Center PWS

Canal Winchester, Ohio 43110 - drinking water served from groundwater sources to 112 people, tracked in EPA SDWIS and UCMR5.

112
People served
344
EPA violations
63
Health-based
Untested
UCMR5 result

The verdict

EPA records 344 drinking-water violations at Small Wonders Learning Center PWS, 18% of them health-based - above the Ohio per-system average.

344
Total EPA violations on record
18%
Health-based (MCL / treatment failure)
112
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Small Wonders Learning Center PWS

Small Wonders Learning Center PWS is a private-owned non-transient non-community water system that delivers drinking water to 112 residents in Canal Winchester, Ohio (Fairfield County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 344 total violations for this system , of which 63 (18%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 277 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 62 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. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%).

Small Wonders Learning Center PWS's 344 violations sit above the Ohio average.

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
112
Total Violations
344
Health-Based Violations
63
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Fairfield
School/Daycare
Yes
MCL Violations
59
Monitoring Violations
277
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 62 2014
Coliform (TCR) MCL 59 2014
Lead and Copper Rule MR 26 2012
Mercury MR 8 2005
Nickel MR 8 2005
Arsenic MR 8 2023
Atrazine MR 5 2005
LASSO MR 5 2005
Xylenes, Total MR 5 2005
1,1,1-Trichloroethane MR 5 2005
1,2-Dichloropropane MR 5 2005
DICHLOROMETHANE MR 5 2005
1,2-Dichloroethane MR 5 2005
Tetrachloroethylene MR 5 2005
Ethylbenzene MR 5 2005
Carbon tetrachloride MR 5 2005
Trichloroethylene MR 5 2005
Toluene MR 5 2005
Styrene MR 5 2005
trans-1,2-Dichloroethylene MR 5 2005
o-Dichlorobenzene MR 5 2005
p-Dichlorobenzene MR 5 2005
1,1,2-Trichloroethane MR 5 2005
1,2,4-Trichlorobenzene MR 5 2005
cis-1,2-Dichloroethylene MR 5 2005
Benzene MR 5 2005
Vinyl chloride MR 5 2005
Simazine MR 5 2005
1,1-Dichloroethylene MR 5 2005
CHLOROBENZENE MR 5 2005

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 Small Wonders Learning Center PWS.

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 OH2340812 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 Small Wonders Learning Center PWS 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
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / OH2340812 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / OH2340812 / 5200
2023 Arsenic MR 8 SDWIS / OH2340812 / 1005
2014 Coliform (TCR) MR 62 SDWIS / OH2340812 / 3100
2014 Coliform (TCR) MCL 59 SDWIS / OH2340812 / 3100
2014 E. COLI MR 1 SDWIS / OH2340812 / 3014
2012 Lead and Copper Rule MR 26 SDWIS / OH2340812 / 5000
2005 Mercury MR 8 SDWIS / OH2340812 / 1035
2005 Nickel MR 8 SDWIS / OH2340812 / 1036
2005 Atrazine MR 5 SDWIS / OH2340812 / 2050
2005 LASSO MR 5 SDWIS / OH2340812 / 2051
2005 Xylenes, Total MR 5 SDWIS / OH2340812 / 2955
2005 1,1,1-Trichloroethane MR 5 SDWIS / OH2340812 / 2981
2005 1,2-Dichloropropane MR 5 SDWIS / OH2340812 / 2983
2005 DICHLOROMETHANE MR 5 SDWIS / OH2340812 / 2964

How Small Wonders Learning Center PWS Compares

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

Metric Small Wonders Learning Center PWS Ohio avg Federal benchmark
Total violations 344 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 63 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 112 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Small Wonders Learning Center PWS water safe to drink? ▼
Small Wonders Learning Center PWS (PWS ID: OH2340812) has 344 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 112 people using Groundwater sources.
How many people does Small Wonders Learning Center PWS serve? ▼
Small Wonders Learning Center PWS serves 112 people in Canal Winchester, Ohio. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Small Wonders Learning Center PWS have? ▼
Small Wonders Learning Center PWS has 344 total violations: 63 health-based violations (MCL exceedances or treatment failures), 277 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Small Wonders Learning Center PWS water? ▼
No PFAS testing data is available for Small Wonders Learning Center PWS under the EPA's UCMR5 monitoring program.
What water source does Small Wonders Learning Center PWS use? ▼
Small Wonders Learning Center PWS 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.