Non-Transient Non-Community Water System · PWS PA1461151

Marlborough Elementary School

Pennsburg, Pennsylvania 18073 - drinking water served from groundwater sources to 800 people, tracked in EPA SDWIS and UCMR5.

Compiled by PlainWater Editorial, Drinking Water Quality Editorial Team · May 15, 2026

800
People served: 126
EPA violations: 0
Health-based: Untested
UCMR5 result

The verdict

EPA records 126 drinking-water violations at Marlborough Elementary School - below the Pennsylvania per-system average.

126
Total EPA violations on record: 0%
Health-based (MCL / treatment failure): 800
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Marlborough Elementary School

Marlborough Elementary School is a public/private-owned non-transient non-community water system that delivers drinking water to 800 residents in Pennsburg, Pennsylvania (Montgomery County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 126 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 126 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Chlorine, recorded in 21 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. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Marlborough Elementary School's 126 violations sit below 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

800

Total Violations

126

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Non-Transient Non-Community
Owner Type: Public/Private
Connections: 2
County: Montgomery
School/Daycare: Yes
MCL Violations: 0
Monitoring Violations: 126
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Chlorine	MR	21	2020
TTHM	MR	6	2017
Total Haloacetic Acids (HAA5)	MR	6	2017
Endothall	MR	4	2023
cis-1,2-Dichloroethylene	MR	3	1994
DICHLOROMETHANE	MR	3	1994
p-Dichlorobenzene	MR	3	1994
1,1-Dichloroethylene	MR	3	1994
trans-1,2-Dichloroethylene	MR	3	1994
1,1,1-Trichloroethane	MR	3	1994
Carbon tetrachloride	MR	3	1994
Trichloroethylene	MR	3	1994
1,1,2-Trichloroethane	MR	3	1994
Tetrachloroethylene	MR	3	1994
Benzene	MR	3	1994
Toluene	MR	3	1994
Ethylbenzene	MR	3	1994
Lead and Copper Rule	MR	3	2020
Styrene	MR	3	1994
o-Dichlorobenzene	MR	3	1994
Xylenes, Total	MR	3	1994
1,2,4-Trichlorobenzene	MR	3	1994
1,2-Dichloroethane	MR	3	1994
1,2-Dichloropropane	MR	3	1994
CHLOROBENZENE	MR	3	1994
Coliform (TCR)	MR	2	1994
Barium	MR	2	1994
Cadmium	MR	2	1994
Chromium	MR	2	1994
CYANIDE	MR	2	1994

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 Marlborough Elementary School.

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 PA1461151 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 Marlborough Elementary School 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
2023	Endothall	MR	4	SDWIS / PA1461151 / 2033
2020	Chlorine	MR	21	SDWIS / PA1461151 / 0999
2020	Lead and Copper Rule	MR	3	SDWIS / PA1461151 / 5000
2017	TTHM	MR	6	SDWIS / PA1461151 / 2950
2017	Total Haloacetic Acids (HAA5)	MR	6	SDWIS / PA1461151 / 2456
1994	cis-1,2-Dichloroethylene	MR	3	SDWIS / PA1461151 / 2380
1994	DICHLOROMETHANE	MR	3	SDWIS / PA1461151 / 2964
1994	p-Dichlorobenzene	MR	3	SDWIS / PA1461151 / 2969
1994	1,1-Dichloroethylene	MR	3	SDWIS / PA1461151 / 2977
1994	trans-1,2-Dichloroethylene	MR	3	SDWIS / PA1461151 / 2979
1994	1,1,1-Trichloroethane	MR	3	SDWIS / PA1461151 / 2981
1994	Carbon tetrachloride	MR	3	SDWIS / PA1461151 / 2982
1994	Trichloroethylene	MR	3	SDWIS / PA1461151 / 2984
1994	1,1,2-Trichloroethane	MR	3	SDWIS / PA1461151 / 2985
1994	Tetrachloroethylene	MR	3	SDWIS / PA1461151 / 2987

How Marlborough Elementary School Compares

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

Metric	Marlborough Elementary School	Pennsylvania avg	Federal benchmark
Total violations	126	150.6	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	0	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	800	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 Marlborough Elementary School water safe to drink? ▼

Marlborough Elementary School (PWS ID: PA1461151) has 126 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 800 people using Groundwater sources.

How many people does Marlborough Elementary School serve? ▼

Marlborough Elementary School serves 800 people in Pennsburg, Pennsylvania. It is a Public/Private-owned system using Groundwater water sources with 2 service connections.

What type of violations does Marlborough Elementary School have? ▼

Marlborough Elementary School has 126 total violations: 0 health-based violations (MCL exceedances or treatment failures), 126 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Marlborough Elementary School water? ▼

No PFAS testing data is available for Marlborough Elementary School under the EPA's UCMR5 monitoring program.

What water source does Marlborough Elementary School use? ▼

Marlborough Elementary School 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.