Non-Transient Non-Community Water System · PWS PA5100988
St Wendelin Church & School
Operator location Butler, Pennsylvania - smaller served population (≤ 999) at 620 people served; 114 SDWIS violations on record from groundwater sources.
- 620
- People served (this PWS)
- 114
- EPA violations (this PWS)
- 10
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
St Wendelin Church & School standing, high SDWIS violation third
620 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 9% is middle-third health share (≤ 23%). Population rank #25,796 of 29,740 among systems serving 500+.
The verdict
St Wendelin Church & School sits in the upper third of the sitemap cohort by violation count (114), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (620; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 9% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #25,796 of 29,740
- Population · /systems
- #1,102 of 1,340
- Population · PA
- 114
- Total EPA violations on record
- 9%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Public/Private
- Connections
- 3
- County
- Butler
- School/Daycare
- Yes
- MCL Violations
- 6
- Monitoring Violations
- 94
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 15 | 2012 |
| E. COLI | MR | 12 | 2022 |
| Antimony, Total | MR | 7 | 2012 |
| Beryllium, Total | MR | 7 | 2012 |
| Coliform (TCR) | MCL | 6 | 2000 |
| Lead and Copper Rule | MR | 5 | 2013 |
| Arsenic | MR | 4 | 2012 |
| Mercury | MR | 4 | 2012 |
| Nickel | MR | 4 | 2012 |
| Selenium | MR | 4 | 2012 |
| Thallium, Total | MR | 4 | 2012 |
| Chromium | MR | 4 | 2012 |
| Revised Total Coliform Rule | RPT | 4 | 2022 |
| Revised Total Coliform Rule | TT | 4 | 2022 |
| Barium | MR | 4 | 2012 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| Cadmium | MR | 4 | 2012 |
| CYANIDE | MR | 4 | 2012 |
| Fluoride | MR | 4 | 2012 |
| Public Notice | Other | 4 | 2022 |
| TTHM | MR | 4 | 2023 |
| Revised Total Coliform Rule | Other | 2 | 2016 |
Violation Count vs. the National Corpus
St Wendelin Church & School has 114 recorded EPA violations, 76% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 24% carry more. 9% of this system's own violations are health-based (10 of 114), and it ranks #25,796 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
114 Higher than most more violations than 76% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
Population served record for St Wendelin Church & School
EPA SDWIS lists 620 people served and 3 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS · Pennsylvania DEP, Bureau of Safe Drinking Water
Nationwide peers
114 violations · 620 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems with smaller service footprints
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with St Wendelin Church & School
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Pennsylvania compares on the same EPA violation measures. Pennsylvania systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.