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Community Water System · PWS OH1202812

Clark County Lawrenceville PWS

Springfield, Ohio 45501-1303 - drinking water served from groundwater sources to 302 people, tracked in EPA SDWIS and UCMR5.

302
People served
206
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 206 drinking-water violations at Clark County Lawrenceville PWS, 6% of them health-based - above the Ohio per-system average.

206
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
302
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clark County Lawrenceville PWS

Clark County Lawrenceville PWS is a local-owned community water system that delivers drinking water to 302 residents in Springfield, Ohio (Clark County) through 104 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 206 total violations for this system , of which 13 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 168 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 17 violations (Other). 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%).

Clark County Lawrenceville PWS's 206 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
302
Total Violations
206
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
104
County
Clark
School/Daycare
No
MCL Violations
13
Monitoring Violations
168
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 17 2019
Lead and Copper Rule MR 16 2004
Coliform (TCR) MR 14 2005
Coliform (TCR) MCL 13 2003
Nitrate MR 7 2004
Total Haloacetic Acids (HAA5) MR 6 2005
Endrin MR 5 1991
2,4-D MR 5 1991
Toxaphene MR 5 1991
2,4,5-TP MR 5 1991
Methoxychlor MR 5 1991
BHC-GAMMA MR 5 1991
Fluoride MR 4 1996
Beryllium, Total MR 4 1996
Thallium, Total MR 4 1996
Gross Alpha, Excl. Radon and U MR 4 1985
Arsenic MR 4 1996
Nickel MR 4 1996
Antimony, Total MR 4 1996
Nitrite MR 3 2004
1,1,1-Trichloroethane MR 3 1998
CHLOROBENZENE MR 3 1998
1,2,4-Trichlorobenzene MR 3 1998
DICHLOROMETHANE MR 3 1998
Vinyl chloride MR 3 1998
Ethylbenzene MR 3 1998
trans-1,2-Dichloroethylene MR 3 1998
p-Dichlorobenzene MR 3 1998
1,1,2-Trichloroethane MR 3 1998
cis-1,2-Dichloroethylene MR 3 1998

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 Clark County Lawrenceville 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 OH1202812 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 Clark County Lawrenceville 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
2019 Consumer Confidence Rule Other 17 SDWIS / OH1202812 / 7000
2005 Coliform (TCR) MR 14 SDWIS / OH1202812 / 3100
2005 Total Haloacetic Acids (HAA5) MR 6 SDWIS / OH1202812 / 2456
2004 Lead and Copper Rule MR 16 SDWIS / OH1202812 / 5000
2004 Nitrate MR 7 SDWIS / OH1202812 / 1040
2004 Nitrite MR 3 SDWIS / OH1202812 / 1041
2004 TTHM MR 1 SDWIS / OH1202812 / 2950
2003 Coliform (TCR) MCL 13 SDWIS / OH1202812 / 3100
1998 1,1,1-Trichloroethane MR 3 SDWIS / OH1202812 / 2981
1998 CHLOROBENZENE MR 3 SDWIS / OH1202812 / 2989
1998 1,2,4-Trichlorobenzene MR 3 SDWIS / OH1202812 / 2378
1998 DICHLOROMETHANE MR 3 SDWIS / OH1202812 / 2964
1998 Vinyl chloride MR 3 SDWIS / OH1202812 / 2976
1998 Ethylbenzene MR 3 SDWIS / OH1202812 / 2992
1998 trans-1,2-Dichloroethylene MR 3 SDWIS / OH1202812 / 2979

How Clark County Lawrenceville PWS Compares

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

Metric Clark County Lawrenceville PWS Ohio avg Federal benchmark
Total violations 206 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 302 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 Clark County Lawrenceville PWS water safe to drink? ▼
Clark County Lawrenceville PWS (PWS ID: OH1202812) has 206 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 302 people using Groundwater sources.
How many people does Clark County Lawrenceville PWS serve? ▼
Clark County Lawrenceville PWS serves 302 people in Springfield, Ohio. It is a Local-owned system using Groundwater water sources with 104 service connections.
What type of violations does Clark County Lawrenceville PWS have? ▼
Clark County Lawrenceville PWS has 206 total violations: 13 health-based violations (MCL exceedances or treatment failures), 168 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clark County Lawrenceville PWS water? ▼
No PFAS testing data is available for Clark County Lawrenceville PWS under the EPA's UCMR5 monitoring program.
What water source does Clark County Lawrenceville PWS use? ▼
Clark County Lawrenceville PWS 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.