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Community Water System · PWS PA6430077

South Pymatuning

Sharpsville, Pennsylvania 16150 - drinking water served from surface water sources to 641 people, tracked in EPA SDWIS and UCMR5.

641
People served
431
EPA violations
243
Health-based
Untested
UCMR5 result

The verdict

EPA records 431 drinking-water violations at South Pymatuning, 56% of them health-based - above the Pennsylvania per-system average.

431
Total EPA violations on record
56%
Health-based (MCL / treatment failure)
641
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: South Pymatuning

South Pymatuning is a local-owned community water system that delivers drinking water to 641 residents in Sharpsville, Pennsylvania (Mercer County) through 211 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 431 total violations for this system , of which 243 (56%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 99 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is TTHM, recorded in 123 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Pennsylvania, EPA tracks 7,701 public water systems serving 12,630,061 people, with 1,159,868 cumulative violations and 68,517 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 150.6 violations. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

South Pymatuning's 431 violations sit above the Pennsylvania 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
641
Total Violations
431
Health-Based Violations
243
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
211
County
Mercer
School/Daycare
No
MCL Violations
243
Monitoring Violations
99
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 123 2009
Total Haloacetic Acids (HAA5) MCL 120 2009
Public Notice Other 83 2009
Total Haloacetic Acids (HAA5) MR 28 2018
TTHM MR 28 2018
Coliform (TCR) MR 13 2007
Chlorine MR 12 2007
Surface Water Treatment Rule MR 10 2007
Lead and Copper Rule MR 6 2000
Consumer Confidence Rule Other 6 2006
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2008

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 South Pymatuning.

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 PA6430077 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Pennsylvania Drinking Water Authority

Pennsylvania DEP, Bureau of Safe Drinking Water is the primacy agency that licenses and inspects South Pymatuning under EPA-delegated authority.

Open PA regulator portal

Source: Pennsylvania DEP, Bureau of Safe Drinking Water

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
2018 Total Haloacetic Acids (HAA5) MR 28 SDWIS / PA6430077 / 2456
2018 TTHM MR 28 SDWIS / PA6430077 / 2950
2009 TTHM MCL 123 SDWIS / PA6430077 / 2950
2009 Total Haloacetic Acids (HAA5) MCL 120 SDWIS / PA6430077 / 2456
2009 Public Notice Other 83 SDWIS / PA6430077 / 7500
2008 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / PA6430077 / 0600
2007 Coliform (TCR) MR 13 SDWIS / PA6430077 / 3100
2007 Chlorine MR 12 SDWIS / PA6430077 / 0999
2007 Surface Water Treatment Rule MR 10 SDWIS / PA6430077 / 0200
2006 Consumer Confidence Rule Other 6 SDWIS / PA6430077 / 7000
2000 Lead and Copper Rule MR 6 SDWIS / PA6430077 / 5000

How South Pymatuning Compares

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

Metric South Pymatuning Pennsylvania avg Federal benchmark
Total violations 431 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 243 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 641 1,640 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,701 regulated public water systems in Pennsylvania.

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 South Pymatuning water safe to drink? ▼
South Pymatuning (PWS ID: PA6430077) has 431 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 641 people using Surface Water sources.
How many people does South Pymatuning serve? ▼
South Pymatuning serves 641 people in Sharpsville, Pennsylvania. It is a Local-owned system using Surface Water water sources with 211 service connections.
What type of violations does South Pymatuning have? ▼
South Pymatuning has 431 total violations: 243 health-based violations (MCL exceedances or treatment failures), 99 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in South Pymatuning water? ▼
No PFAS testing data is available for South Pymatuning under the EPA's UCMR5 monitoring program.
What water source does South Pymatuning use? ▼
South Pymatuning uses Surface Water 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.