Non-Transient Non-Community Water System · PWS PA7220310

Upper Dauphin Middle Sch

Lykens, Pennsylvania 17048 - drinking water served from groundwater sources to 779 people, tracked in EPA SDWIS and UCMR5.

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

779
People served: 119
EPA violations: 4
Health-based: Untested
UCMR5 result

The verdict

EPA records 119 drinking-water violations at Upper Dauphin Middle Sch, 3% of them health-based - below the Pennsylvania per-system average.

119
Total EPA violations on record: 3%
Health-based (MCL / treatment failure): 779
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Upper Dauphin Middle Sch

Upper Dauphin Middle Sch is a public/private-owned non-transient non-community water system that delivers drinking water to 779 residents in Lykens, Pennsylvania (Dauphin County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 119 total violations for this system , of which 4 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 105 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 32 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%).

Upper Dauphin Middle Sch's 119 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

779

Total Violations

119

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Non-Transient Non-Community
Owner Type: Public/Private
Connections: 1
County: Dauphin
School/Daycare: Yes
MCL Violations: 4
Monitoring Violations: 105
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Coliform (TCR)	MR	32	2012
Chlorine	MR	17	2018
Nitrate	MR	9	2003
Total Haloacetic Acids (HAA5)	MR	4	2004
TTHM	MR	4	2004
Lead and Copper Rule	MR	4	2017
E. COLI	MR	4	2011
Atrazine	MR	4	2005
LASSO	MR	4	2005
Coliform (TCR)	MCL	4	2013
Di(2-ethylhexyl) phthalate	MR	2	2016
1,1-Dichloroethylene	MR	1	1990
1,2-Dichloroethane	MR	1	1990
1,1,1-Trichloroethane	MR	1	1990
Carbon tetrachloride	MR	1	1990
Trichloroethylene	MR	1	1990
Benzene	MR	1	1990
cis-1,2-Dichloroethylene	MR	1	1990
1,2-DIBROMO-3-CHLOROPROPANE	MR	1	1990
DICHLOROMETHANE	MR	1	1990
o-Dichlorobenzene	MR	1	1990
trans-1,2-Dichloroethylene	MR	1	1990
CHLOROBENZENE	MR	1	1990
Toluene	MR	1	1990
Styrene	MR	1	1990
Ethylbenzene	MR	1	1990
ETHYLENE DIBROMIDE	MR	1	1990
1,2-Dichloropropane	MR	1	1990
Tetrachloroethylene	MR	1	1990
1,1,2-Trichloroethane	MR	1	1990

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 Upper Dauphin Middle Sch.

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 PA7220310 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 Upper Dauphin Middle Sch 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
2018	Chlorine	MR	17	SDWIS / PA7220310 / 0999
2017	Lead and Copper Rule	MR	4	SDWIS / PA7220310 / 5000
2016	Di(2-ethylhexyl) phthalate	MR	2	SDWIS / PA7220310 / 2039
2013	Coliform (TCR)	MCL	4	SDWIS / PA7220310 / 3100
2012	Coliform (TCR)	MR	32	SDWIS / PA7220310 / 3100
2011	E. COLI	MR	4	SDWIS / PA7220310 / 3014
2005	Atrazine	MR	4	SDWIS / PA7220310 / 2050
2005	LASSO	MR	4	SDWIS / PA7220310 / 2051
2004	Total Haloacetic Acids (HAA5)	MR	4	SDWIS / PA7220310 / 2456
2004	TTHM	MR	4	SDWIS / PA7220310 / 2950
2003	Nitrate	MR	9	SDWIS / PA7220310 / 1040
1990	1,1-Dichloroethylene	MR	1	SDWIS / PA7220310 / 2977
1990	1,2-Dichloroethane	MR	1	SDWIS / PA7220310 / 2980
1990	1,1,1-Trichloroethane	MR	1	SDWIS / PA7220310 / 2981
1990	Carbon tetrachloride	MR	1	SDWIS / PA7220310 / 2982

How Upper Dauphin Middle Sch Compares

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

Metric	Upper Dauphin Middle Sch	Pennsylvania avg	Federal benchmark
Total violations	119	150.6	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	4	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	779	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 Upper Dauphin Middle Sch water safe to drink? ▼

Upper Dauphin Middle Sch (PWS ID: PA7220310) has 119 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 779 people using Groundwater sources.

How many people does Upper Dauphin Middle Sch serve? ▼

Upper Dauphin Middle Sch serves 779 people in Lykens, Pennsylvania. It is a Public/Private-owned system using Groundwater water sources with 1 service connections.

What type of violations does Upper Dauphin Middle Sch have? ▼

Upper Dauphin Middle Sch has 119 total violations: 4 health-based violations (MCL exceedances or treatment failures), 105 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Upper Dauphin Middle Sch water? ▼

No PFAS testing data is available for Upper Dauphin Middle Sch under the EPA's UCMR5 monitoring program.

What water source does Upper Dauphin Middle Sch use? ▼

Upper Dauphin Middle Sch 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.