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Non-Transient Non-Community Water System · PWS PA1091091

Nwwa Logan Square

North Wales, Pennsylvania 19454 - drinking water served from groundwater sources to 1,000 people, tracked in EPA SDWIS and UCMR5.

1,000
People served
695
EPA violations
78
Health-based
Untested
UCMR5 result

The verdict

EPA records 695 drinking-water violations at Nwwa Logan Square, 11% of them health-based - above the Pennsylvania per-system average.

695
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
1,000
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Nwwa Logan Square

Nwwa Logan Square is a private-owned non-transient non-community water system that delivers drinking water to 1,000 residents in North Wales, Pennsylvania (Bucks County) through 14 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 695 total violations for this system , of which 78 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 486 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 Public Notice, recorded in 130 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 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%).

Nwwa Logan Square's 695 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
1,000
Total Violations
695
Health-Based Violations
78
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
14
County
Bucks
School/Daycare
No
MCL Violations
78
Monitoring Violations
486
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 130 2011
Arsenic MCL 78 2010
Pentachlorophenol MR 18 2008
Di(2-ethylhexyl) adipate MR 17 2008
Di(2-ethylhexyl) phthalate MR 17 2008
Hexachlorocyclopentadiene MR 14 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 14 2008
Chlordane MR 14 2008
Benzo(a)pyrene MR 13 2008
Lead and Copper Rule MR 13 2000
cis-1,2-Dichloroethylene MR 11 2011
Xylenes, Total MR 11 2011
p-Dichlorobenzene MR 11 2011
1,2-Dichloroethane MR 11 2011
trans-1,2-Dichloroethylene MR 11 2011
1,1,1-Trichloroethane MR 11 2011
Carbon tetrachloride MR 11 2011
1,2-Dichloropropane MR 11 2011
Tetrachloroethylene MR 11 2011
CHLOROBENZENE MR 11 2011
Benzene MR 11 2011
Toluene MR 11 2011
Ethylbenzene MR 11 2011
DICHLOROMETHANE MR 11 2011
1,1-Dichloroethylene MR 11 2011
Trichloroethylene MR 11 2011
1,1,2-Trichloroethane MR 11 2011
Styrene MR 11 2011
o-Dichlorobenzene MR 11 2011
1,2,4-Trichlorobenzene MR 11 2011

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 Nwwa Logan Square.

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 PA1091091 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 Nwwa Logan Square 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
2014 Total Haloacetic Acids (HAA5) MR 8 SDWIS / PA1091091 / 2456
2014 TTHM MR 8 SDWIS / PA1091091 / 2950
2013 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 7 SDWIS / PA1091091 / 0600
2011 Public Notice Other 130 SDWIS / PA1091091 / 7500
2011 cis-1,2-Dichloroethylene MR 11 SDWIS / PA1091091 / 2380
2011 Xylenes, Total MR 11 SDWIS / PA1091091 / 2955
2011 p-Dichlorobenzene MR 11 SDWIS / PA1091091 / 2969
2011 1,2-Dichloroethane MR 11 SDWIS / PA1091091 / 2980
2011 trans-1,2-Dichloroethylene MR 11 SDWIS / PA1091091 / 2979
2011 1,1,1-Trichloroethane MR 11 SDWIS / PA1091091 / 2981
2011 Carbon tetrachloride MR 11 SDWIS / PA1091091 / 2982
2011 1,2-Dichloropropane MR 11 SDWIS / PA1091091 / 2983
2011 Tetrachloroethylene MR 11 SDWIS / PA1091091 / 2987
2011 CHLOROBENZENE MR 11 SDWIS / PA1091091 / 2989
2011 Benzene MR 11 SDWIS / PA1091091 / 2990

How Nwwa Logan Square Compares

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

Metric Nwwa Logan Square Pennsylvania avg Federal benchmark
Total violations 695 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 78 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 1,000 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 Nwwa Logan Square water safe to drink? ▼
Nwwa Logan Square (PWS ID: PA1091091) has 695 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,000 people using Groundwater sources.
How many people does Nwwa Logan Square serve? ▼
Nwwa Logan Square serves 1,000 people in North Wales, Pennsylvania. It is a Private-owned system using Groundwater water sources with 14 service connections.
What type of violations does Nwwa Logan Square have? ▼
Nwwa Logan Square has 695 total violations: 78 health-based violations (MCL exceedances or treatment failures), 486 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Nwwa Logan Square water? ▼
No PFAS testing data is available for Nwwa Logan Square under the EPA's UCMR5 monitoring program.
What water source does Nwwa Logan Square use? ▼
Nwwa Logan Square 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.