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Community Water System · PWS PA3540026

Mountain Water Authority

Tremont, Pennsylvania 17981 - drinking water served from groundwater sources to 495 people, tracked in EPA SDWIS and UCMR5.

495
People served
147
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 147 drinking-water violations at Mountain Water Authority, 3% of them health-based - below the Pennsylvania per-system average.

147
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
495
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mountain Water Authority

Mountain Water Authority is a local-owned community water system that delivers drinking water to 495 residents in Tremont, Pennsylvania (Schuylkill County) through 175 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 147 total violations for this system , of which 5 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 92 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 46 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%).

Mountain Water Authority's 147 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
495
Total Violations
147
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
175
County
Schuylkill
School/Daycare
No
MCL Violations
0
Monitoring Violations
92
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 46 2008
Lead and Copper Rule MR 25 2014
Chlorine MR 22 2022
Groundwater Rule MR 12 2025
Lead and Copper Rule TT 5 2002
Asbestos MR 5 2011
LASSO MR 3 2024
Chromium MR 2 1982
Fluoride MR 2 1982
Nitrate MR 2 1982
Barium MR 2 1982
Selenium MR 2 1982
Cadmium MR 2 1982
Mercury MR 2 1982
Arsenic MR 2 1982
2,4-D MR 1 1982
2,4,5-TP MR 1 1982
Toxaphene MR 1 1982
Total Haloacetic Acids (HAA5) MR 1 2021
TTHM MR 1 2021
Gross Alpha, Excl. Radon and U MR 1 1980
Endrin MR 1 1982
Methoxychlor MR 1 1982
BHC-GAMMA MR 1 1982

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 Mountain Water Authority.

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 PA3540026 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 Mountain Water Authority 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
2025 Groundwater Rule MR 12 SDWIS / PA3540026 / 0700
2024 LASSO MR 3 SDWIS / PA3540026 / 2051
2022 Chlorine MR 22 SDWIS / PA3540026 / 0999
2021 Total Haloacetic Acids (HAA5) MR 1 SDWIS / PA3540026 / 2456
2021 TTHM MR 1 SDWIS / PA3540026 / 2950
2014 Lead and Copper Rule MR 25 SDWIS / PA3540026 / 5000
2011 Asbestos MR 5 SDWIS / PA3540026 / 1094
2008 Consumer Confidence Rule Other 46 SDWIS / PA3540026 / 7000
2002 Lead and Copper Rule TT 5 SDWIS / PA3540026 / 5000
1982 Chromium MR 2 SDWIS / PA3540026 / 1020
1982 Fluoride MR 2 SDWIS / PA3540026 / 1025
1982 Nitrate MR 2 SDWIS / PA3540026 / 1040
1982 Barium MR 2 SDWIS / PA3540026 / 1010
1982 Selenium MR 2 SDWIS / PA3540026 / 1045
1982 Cadmium MR 2 SDWIS / PA3540026 / 1015

How Mountain Water Authority Compares

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

Metric Mountain Water Authority Pennsylvania avg Federal benchmark
Total violations 147 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 495 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 Mountain Water Authority water safe to drink? ▼
Mountain Water Authority (PWS ID: PA3540026) has 147 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 495 people using Groundwater sources.
How many people does Mountain Water Authority serve? ▼
Mountain Water Authority serves 495 people in Tremont, Pennsylvania. It is a Local-owned system using Groundwater water sources with 175 service connections.
What type of violations does Mountain Water Authority have? ▼
Mountain Water Authority has 147 total violations: 5 health-based violations (MCL exceedances or treatment failures), 92 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mountain Water Authority water? ▼
No PFAS testing data is available for Mountain Water Authority under the EPA's UCMR5 monitoring program.
What water source does Mountain Water Authority use? ▼
Mountain Water Authority 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.