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Community Water System · PWS PA4070031

Fredericksburg Water Assn

Martinsburg, Pennsylvania 16662 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
206
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 206 drinking-water violations at Fredericksburg Water Assn - above the Pennsylvania per-system average.

206
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fredericksburg Water Assn

Fredericksburg Water Assn is a private-owned community water system that delivers drinking water to 300 residents in Martinsburg, Pennsylvania (Blair County) through 105 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 206 total violations for this system , of which 1 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 168 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Chlorine, recorded in 18 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%).

Fredericksburg Water Assn's 206 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
300
Total Violations
206
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
105
County
Blair
School/Daycare
No
MCL Violations
0
Monitoring Violations
168
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 18 2008
Coliform (TCR) MR 11 2006
Nitrate MR 9 2021
Fluoride MR 7 1991
Mercury MR 7 1991
Chromium MR 7 1991
p-Dichlorobenzene MR 7 1991
1,1-Dichloroethylene MR 7 1991
1,1,1-Trichloroethane MR 7 1991
Carbon tetrachloride MR 7 1991
1,2-Dichloroethane MR 7 1991
Trichloroethylene MR 7 1991
Benzene MR 7 1991
Arsenic MR 7 1991
Barium MR 7 1991
Cadmium MR 7 1991
Selenium MR 7 1991
Total Haloacetic Acids (HAA5) MR 6 2005
TTHM MR 6 2005
Consumer Confidence Rule Other 5 2006
Endrin MR 3 1982
Nitrite MR 2 2021
Methoxychlor MR 2 1980
Toxaphene MR 2 1980
2,4,5-TP MR 2 1980
BHC-GAMMA MR 2 1980
2,4-D MR 2 1980
Groundwater Rule MR 2 2017
Surface Water Treatment Rule MR 2 1990
Gross Alpha, Excl. Radon and U MR 1 1976

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 Fredericksburg Water Assn.

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 PA4070031 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 Fredericksburg Water Assn 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
2021 Nitrate MR 9 SDWIS / PA4070031 / 1040
2021 Nitrite MR 2 SDWIS / PA4070031 / 1041
2017 Groundwater Rule MR 2 SDWIS / PA4070031 / 0700
2017 Groundwater Rule TT 1 SDWIS / PA4070031 / 0700
2008 Chlorine MR 18 SDWIS / PA4070031 / 0999
2006 Coliform (TCR) MR 11 SDWIS / PA4070031 / 3100
2006 Consumer Confidence Rule Other 5 SDWIS / PA4070031 / 7000
2005 Total Haloacetic Acids (HAA5) MR 6 SDWIS / PA4070031 / 2456
2005 TTHM MR 6 SDWIS / PA4070031 / 2950
1991 Fluoride MR 7 SDWIS / PA4070031 / 1025
1991 Mercury MR 7 SDWIS / PA4070031 / 1035
1991 Chromium MR 7 SDWIS / PA4070031 / 1020
1991 p-Dichlorobenzene MR 7 SDWIS / PA4070031 / 2969
1991 1,1-Dichloroethylene MR 7 SDWIS / PA4070031 / 2977
1991 1,1,1-Trichloroethane MR 7 SDWIS / PA4070031 / 2981

How Fredericksburg Water Assn Compares

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

Metric Fredericksburg Water Assn Pennsylvania avg Federal benchmark
Total violations 206 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 300 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 Fredericksburg Water Assn water safe to drink? ▼
Fredericksburg Water Assn (PWS ID: PA4070031) has 206 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Fredericksburg Water Assn serve? ▼
Fredericksburg Water Assn serves 300 people in Martinsburg, Pennsylvania. It is a Private-owned system using Groundwater water sources with 105 service connections.
What type of violations does Fredericksburg Water Assn have? ▼
Fredericksburg Water Assn has 206 total violations: 1 health-based violations (MCL exceedances or treatment failures), 168 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fredericksburg Water Assn water? ▼
No PFAS testing data is available for Fredericksburg Water Assn under the EPA's UCMR5 monitoring program.
What water source does Fredericksburg Water Assn use? ▼
Fredericksburg Water Assn 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.