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Upper Southampton, PA Tap Water Quality 2026

Water quality report for Upper Southampton, PA — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Upper Southampton's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Upper Southampton Mun Auth PWSID: PA1090063 Updated: 2026 Q2
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PFAS above the federal limit at 2 of 3 sampling points

Lead was not detected and no violations are open. However, PFAS exceeds the federal limit at 2 of 3 sampling points, running as high as 3.73 times the limit.

D

Upper Southampton earns a D for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected
PFAS above the federal limit at 2 of 3 sampling points
46 violations since 2015, 3 health-based
No violations currently open
Upper Southampton's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Pennsylvania utilities
Population Served
15085
~5201 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
46 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Archived
Groundwater Rule MONITORING AND REPORTING — — 2025 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2025 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2025 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2025 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2025 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2025 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2025 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2024 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2024 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2023 Resolved
Public Notice OTHER — — 2022 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2022 Resolved
Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2022 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2022 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2020 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2020 Resolved
Public Notice OTHER — — 2019 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2019 Resolved
Revised Total Coliform Rule TREATMENT TECHNIQUE — — 2019 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2019 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2019 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2019 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2019 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2019 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2018 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2018 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2018 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2018 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2017 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2017 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2017 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2017 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2017 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2017 Resolved
LASSO MONITORING AND REPORTING — — 2017 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2017 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Resolved
Revised Total Coliform Rule OTHER — — 2016 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

46 violations are on record since 2015, of which 3 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Upper Southampton Mun Auth
PWSID PA1090063
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 15,085
Service connections 5,201
Systems serving this area 5
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Upper Southampton tap water safe to drink? ▼
It meets most federal standards, but PFAS exceeds the federal limit at 2 of 3 sampling points. No violations are currently open.
Does Upper Southampton water have PFAS? ▼
Yes. PFAS exceeds the federal limit at 2 of 3 sampling points, running as high as 3.73 times the limit. Limits are enforced on a running annual average at each sampling point, not on a single sample.
Who supplies water to Upper Southampton? ▼
Upper Southampton Mun Auth (PWSID PA1090063), one of 5 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-08-21. No significant deficiencies were recorded.

What Should Upper Southampton Residents Do?

1
Consider a reverse-osmosis filter
Reverse osmosis removes more than 95% of PFAS. Standard carbon pitchers do not.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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