PlainWater
States → Pennsylvania

Community Water System · PWS PA7670070

Delta Boro Water Sys

Delta, Pennsylvania 17314 - drinking water served from groundwater sources to 1,400 people, tracked in EPA SDWIS and UCMR5.

1,400
People served
150
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 150 drinking-water violations at Delta Boro Water Sys, 1% of them health-based - below the Pennsylvania per-system average.

150
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
1,400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Delta Boro Water Sys

Delta Boro Water Sys is a local-owned community water system that delivers drinking water to 1,400 residents in Delta, Pennsylvania (York County) through 489 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 150 total violations for this system , of which 2 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 134 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 Chlorine, recorded in 11 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%).

Delta Boro Water Sys's 150 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
1,400
Total Violations
150
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
489
County
York
School/Daycare
No
MCL Violations
2
Monitoring Violations
134
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 11 2011
Nitrate MR 11 2012
Groundwater Rule MR 8 2025
Asbestos MR 8 2011
Combined Uranium MR 6 2012
Revised Total Coliform Rule RPT 4 2024
Total Haloacetic Acids (HAA5) MR 4 2023
TTHM MR 4 2023
Endothall MR 4 2023
Glyphosate MR 2 2010
Public Notice Other 2 2012
Consumer Confidence Rule Other 2 2012
Barium MR 2 2012
Cadmium MR 2 2012
Fluoride MR 2 2012
Nickel MR 2 2012
Beryllium, Total MR 2 2012
Thallium, Total MR 2 2012
cis-1,2-Dichloroethylene MR 2 2012
DICHLOROMETHANE MR 2 2012
o-Dichlorobenzene MR 2 2012
p-Dichlorobenzene MR 2 2012
1,1-Dichloroethylene MR 2 2012
trans-1,2-Dichloroethylene MR 2 2012
1,2-Dichloroethane MR 2 2012
1,1,2-Trichloroethane MR 2 2012
CHLOROBENZENE MR 2 2012
Benzene MR 2 2012
Toluene MR 2 2012
Ethylbenzene MR 2 2012

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 Delta Boro Water Sys.

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 PA7670070 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 Delta Boro Water Sys 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 8 SDWIS / PA7670070 / 0700
2024 Revised Total Coliform Rule RPT 4 SDWIS / PA7670070 / 8000
2023 Total Haloacetic Acids (HAA5) MR 4 SDWIS / PA7670070 / 2456
2023 TTHM MR 4 SDWIS / PA7670070 / 2950
2023 Endothall MR 4 SDWIS / PA7670070 / 2033
2022 Lead and Copper Rule MR 2 SDWIS / PA7670070 / 5000
2012 Nitrate MR 11 SDWIS / PA7670070 / 1040
2012 Combined Uranium MR 6 SDWIS / PA7670070 / 4006
2012 Public Notice Other 2 SDWIS / PA7670070 / 7500
2012 Consumer Confidence Rule Other 2 SDWIS / PA7670070 / 7000
2012 Barium MR 2 SDWIS / PA7670070 / 1010
2012 Cadmium MR 2 SDWIS / PA7670070 / 1015
2012 Fluoride MR 2 SDWIS / PA7670070 / 1025
2012 Nickel MR 2 SDWIS / PA7670070 / 1036
2012 Beryllium, Total MR 2 SDWIS / PA7670070 / 1075

How Delta Boro Water Sys Compares

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

Metric Delta Boro Water Sys Pennsylvania avg Federal benchmark
Total violations 150 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 1,400 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 Delta Boro Water Sys water safe to drink? ▼
Delta Boro Water Sys (PWS ID: PA7670070) has 150 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,400 people using Groundwater sources.
How many people does Delta Boro Water Sys serve? ▼
Delta Boro Water Sys serves 1,400 people in Delta, Pennsylvania. It is a Local-owned system using Groundwater water sources with 489 service connections.
What type of violations does Delta Boro Water Sys have? ▼
Delta Boro Water Sys has 150 total violations: 2 health-based violations (MCL exceedances or treatment failures), 134 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Delta Boro Water Sys water? ▼
No PFAS testing data is available for Delta Boro Water Sys under the EPA's UCMR5 monitoring program.
What water source does Delta Boro Water Sys use? ▼
Delta Boro Water Sys 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.