States ›Pennsylvania ›Northumberland County ›Ralpho

Ralpho, PA Tap Water Quality 2026

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

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

Main Utility: Aqua Pa Roaring Creek Division PWSID: PA4490024 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.89 ppb, 13% of the action level and no violations are open. No PFAS was detected.

A

Ralpho earns an A for water quality

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

Lead: 1.89 ppb — 13% of the federal action level
PFAS tested, none detected
4 violations since 2015, 0 health-based
No violations currently open
Ralpho's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.89 ppb — 13% of the federal action level
✓ Lower lead than 74% of Pennsylvania utilities
Population Served
3432
~17567 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
4 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
13% of EPA action level
1.89 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.89 ppb, 13% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
CARBON, TOTAL MONITORING AND REPORTING — TT 2025 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2024 Resolved
Chlorine dioxide MONITORING AND REPORTING — 0.8 mg/L 2019 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2019 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

4 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Aqua Pa Roaring Creek Division
PWSID PA4490024
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 3,432
Service connections 17,567
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Ralpho tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.89 ppb, 13% of the action level.
Does Ralpho water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Ralpho? ▼
Aqua Pa Roaring Creek Division (PWSID PA4490024). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-05-08. No significant deficiencies were recorded.

What Should Ralpho Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
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.

Nearby Cities in Pennsylvania

Sunbury, Pa Tap Water Quality 2026 Northumberland Coal, Pa Tap Water Quality 2026 Northumberland Shamokin, Pa Tap Water Quality 2026 Northumberland Milton, Pa Tap Water Quality 2026 Northumberland Mount Carmel, Pa Tap Water Quality 2026 Northumberland Northumberland, Pa Tap Water Quality 2026 Northumberland