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Community Water System · PWS OH2503012

Ponderosa Estates MHP

Dublin, Ohio 43017 - drinking water served from groundwater sources to 216 people, tracked in EPA SDWIS and UCMR5.

216
People served
324
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 324 drinking-water violations at Ponderosa Estates MHP, 3% of them health-based - above the Ohio per-system average.

324
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
216
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ponderosa Estates MHP

Ponderosa Estates MHP is a private-owned community water system that delivers drinking water to 216 residents in Dublin, Ohio (Franklin County) through 108 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 324 total violations for this system , of which 9 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 301 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 38 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%).

Ponderosa Estates MHP's 324 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
216
Total Violations
324
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
108
County
Franklin
School/Daycare
No
MCL Violations
9
Monitoring Violations
301
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 38 1999
Coliform (TCR) MR 26 2014
Coliform (TCR) MCL 9 2000
Nitrate MR 9 2003
Xylenes, Total MR 8 1998
1,1,1-Trichloroethane MR 8 1998
1,2-Dichloropropane MR 8 1998
CHLOROBENZENE MR 8 1998
Benzene MR 8 1998
1,2-Dichloroethane MR 8 1998
Ethylbenzene MR 8 1998
Carbon tetrachloride MR 8 1998
Trichloroethylene MR 8 1998
trans-1,2-Dichloroethylene MR 8 1998
o-Dichlorobenzene MR 8 1998
p-Dichlorobenzene MR 8 1998
1,1,2-Trichloroethane MR 8 1998
cis-1,2-Dichloroethylene MR 8 1998
1,2,4-Trichlorobenzene MR 8 1998
Toluene MR 8 1998
Styrene MR 8 1998
Tetrachloroethylene MR 8 1998
Vinyl chloride MR 8 1998
DICHLOROMETHANE MR 8 1998
1,1-Dichloroethylene MR 8 1998
Total Polychlorinated Biphenyls (PCB) MR 7 1997
BHC-GAMMA MR 3 1997
Diquat MR 3 1997
Di(2-ethylhexyl) adipate MR 3 1997
Carbofuran MR 3 1997

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 Ponderosa Estates MHP.

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 OH2503012 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 Ponderosa Estates MHP 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
2014 Coliform (TCR) MR 26 SDWIS / OH2503012 / 3100
2004 Total Haloacetic Acids (HAA5) MR 3 SDWIS / OH2503012 / 2456
2004 TTHM MR 1 SDWIS / OH2503012 / 2950
2003 Nitrate MR 9 SDWIS / OH2503012 / 1040
2000 Coliform (TCR) MCL 9 SDWIS / OH2503012 / 3100
2000 Consumer Confidence Rule Other 2 SDWIS / OH2503012 / 7000
1999 Lead and Copper Rule MR 38 SDWIS / OH2503012 / 5000
1998 Xylenes, Total MR 8 SDWIS / OH2503012 / 2955
1998 1,1,1-Trichloroethane MR 8 SDWIS / OH2503012 / 2981
1998 1,2-Dichloropropane MR 8 SDWIS / OH2503012 / 2983
1998 CHLOROBENZENE MR 8 SDWIS / OH2503012 / 2989
1998 Benzene MR 8 SDWIS / OH2503012 / 2990
1998 1,2-Dichloroethane MR 8 SDWIS / OH2503012 / 2980
1998 Ethylbenzene MR 8 SDWIS / OH2503012 / 2992
1998 Carbon tetrachloride MR 8 SDWIS / OH2503012 / 2982

How Ponderosa Estates MHP Compares

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

Metric Ponderosa Estates MHP Ohio avg Federal benchmark
Total violations 324 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 216 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 Ponderosa Estates MHP water safe to drink? ▼
Ponderosa Estates MHP (PWS ID: OH2503012) has 324 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 216 people using Groundwater sources.
How many people does Ponderosa Estates MHP serve? ▼
Ponderosa Estates MHP serves 216 people in Dublin, Ohio. It is a Private-owned system using Groundwater water sources with 108 service connections.
What type of violations does Ponderosa Estates MHP have? ▼
Ponderosa Estates MHP has 324 total violations: 9 health-based violations (MCL exceedances or treatment failures), 301 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ponderosa Estates MHP water? ▼
No PFAS testing data is available for Ponderosa Estates MHP under the EPA's UCMR5 monitoring program.
What water source does Ponderosa Estates MHP use? ▼
Ponderosa Estates MHP uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.