PlainWater

LOYALTON WATER ASSN

PWS ID: PA7220047 · LYKENS, Pennsylvania 17048

LOYALTON WATER ASSN serves 100 people in LYKENS, Pennsylvania using Groundwater water sources. It has 266 recorded EPA violations, including 14 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LOYALTON WATER ASSN

LOYALTON WATER ASSN is a private-owned community water system that delivers drinking water to 100 residents in LYKENS, Pennsylvania (Dauphin County) through 48 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 266 total violations for this system , of which 14 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 249 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 Coliform (TCR), recorded in 12 violations (MCL, health-based). 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. LOYALTON WATER ASSN's 266 violations sit above 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
100
Total Violations
266
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
48
County
Dauphin
School/Daycare
No
MCL Violations
12
Monitoring Violations
249
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 2012
p-Dichlorobenzene MR 10 1997
Carbon tetrachloride MR 10 1997
1,2-Dichloroethane MR 10 1997
1,1,1-Trichloroethane MR 10 1997
Benzene MR 10 1997
1,1-Dichloroethylene MR 10 1997
Trichloroethylene MR 10 1997
1,2,4-Trichlorobenzene MR 9 1997
Xylenes, Total MR 9 1997
DICHLOROMETHANE MR 9 1997
o-Dichlorobenzene MR 9 1997
trans-1,2-Dichloroethylene MR 9 1997
1,2-Dichloropropane MR 9 1997
1,1,2-Trichloroethane MR 9 1997
Toluene MR 9 1997
Styrene MR 9 1997
cis-1,2-Dichloroethylene MR 9 1997
Tetrachloroethylene MR 9 1997
Ethylbenzene MR 9 1997
CHLOROBENZENE MR 9 1997
Lead and Copper Rule MR 8 2007
Groundwater Rule MR 8 2024
Hexachlorocyclopentadiene MR 8 1995
Nitrate MR 5 1994
Chlorine MR 4 2010
Di(2-ethylhexyl) adipate MR 4 1995
Di(2-ethylhexyl) phthalate MR 4 1995
Pentachlorophenol MR 4 1995
Coliform (TCR) MR 4 1997

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 LOYALTON 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 PA7220047 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 LOYALTON 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
2025 Total Haloacetic Acids (HAA5) MR 2 SDWIS / PA7220047 / 2456
2024 Groundwater Rule MR 8 SDWIS / PA7220047 / 0700
2012 Coliform (TCR) MCL 12 SDWIS / PA7220047 / 3100
2010 Chlorine MR 4 SDWIS / PA7220047 / 0999
2010 E. COLI MR 4 SDWIS / PA7220047 / 3014
2007 Lead and Copper Rule MR 8 SDWIS / PA7220047 / 5000
2005 Lead and Copper Rule TT 2 SDWIS / PA7220047 / 5000
2003 Consumer Confidence Rule Other 2 SDWIS / PA7220047 / 7000
1997 p-Dichlorobenzene MR 10 SDWIS / PA7220047 / 2969
1997 Carbon tetrachloride MR 10 SDWIS / PA7220047 / 2982
1997 1,2-Dichloroethane MR 10 SDWIS / PA7220047 / 2980
1997 1,1,1-Trichloroethane MR 10 SDWIS / PA7220047 / 2981
1997 Benzene MR 10 SDWIS / PA7220047 / 2990
1997 1,1-Dichloroethylene MR 10 SDWIS / PA7220047 / 2977
1997 Trichloroethylene MR 10 SDWIS / PA7220047 / 2984

How LOYALTON WATER ASSN Compares

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

Metric LOYALTON WATER ASSN Pennsylvania avg Federal benchmark
Total violations 266 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 14 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 100 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 LOYALTON WATER ASSN water safe to drink?
LOYALTON WATER ASSN (PWS ID: PA7220047) has 266 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does LOYALTON WATER ASSN serve?
LOYALTON WATER ASSN serves 100 people in LYKENS, Pennsylvania. It is a Private-owned system using Groundwater water sources with 48 service connections.
What type of violations does LOYALTON WATER ASSN have?
LOYALTON WATER ASSN has 266 total violations: 14 health-based violations (MCL exceedances or treatment failures), 249 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LOYALTON WATER ASSN water?
No PFAS testing data is available for LOYALTON WATER ASSN under the EPA's UCMR5 monitoring program.
What water source does LOYALTON WATER ASSN use?
LOYALTON 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.

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