PlainWater

SQUARE ONE MARKETS

PWS ID: PA3480932 · NORTHAMPTON, Pennsylvania 18067

SQUARE ONE MARKETS serves 99 people in NORTHAMPTON, Pennsylvania using Groundwater water sources. It has 20 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SQUARE ONE MARKETS

SQUARE ONE MARKETS is a private-owned transient non-community water system that delivers drinking water to 99 residents in NORTHAMPTON, Pennsylvania (Northampton County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 20 total violations for this system , of which 11 (55%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 7 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 7 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 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. SQUARE ONE MARKETS's 20 violations sit below the Pennsylvania average. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%). 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
99
Total Violations
20
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Northampton
School/Daycare
No
MCL Violations
11
Monitoring Violations
7
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 2002
Coliform (TCR) MCL 7 1997
Nitrate MCL 4 2002
Revised Total Coliform Rule Other 2 2016

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 SQUARE ONE MARKETS.

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 PA3480932 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 SQUARE ONE MARKETS 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
2016 Revised Total Coliform Rule Other 2 SDWIS / PA3480932 / 8000
2002 Coliform (TCR) MR 7 SDWIS / PA3480932 / 3100
2002 Nitrate MCL 4 SDWIS / PA3480932 / 1040
1997 Coliform (TCR) MCL 7 SDWIS / PA3480932 / 3100

How SQUARE ONE MARKETS Compares

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

Metric SQUARE ONE MARKETS Pennsylvania avg Federal benchmark
Total violations 20 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 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 99 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SQUARE ONE MARKETS water safe to drink?
SQUARE ONE MARKETS (PWS ID: PA3480932) has 20 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 99 people using Groundwater sources.
How many people does SQUARE ONE MARKETS serve?
SQUARE ONE MARKETS serves 99 people in NORTHAMPTON, Pennsylvania. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does SQUARE ONE MARKETS have?
SQUARE ONE MARKETS has 20 total violations: 11 health-based violations (MCL exceedances or treatment failures), 7 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SQUARE ONE MARKETS water?
No PFAS testing data is available for SQUARE ONE MARKETS under the EPA's UCMR5 monitoring program.
What water source does SQUARE ONE MARKETS use?
SQUARE ONE MARKETS uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial