Community Water System · PWS PA3060098
Ontelaunee Township
Operator location Reading, Pennsylvania - 56% of 170 violations are health-based (upper-third health share (> 23%)); surface water source; 2,598 served per SDWIS.
- 2,598
- People served (this PWS)
- 170
- EPA violations (this PWS)
- 95
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Ontelaunee Township standing, high SDWIS violation third
56% of 170 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 56% is upper-third health share (> 23%). Population rank #11,618 of 29,740 among systems serving 500+.
The verdict
Ontelaunee Township sits in the upper third of the sitemap cohort by violation count (170), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,598 (mid served population (≤ 3,309)). Health-based share is 56% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #11,618 of 29,740
- Population · /systems
- #445 of 1,340
- Population · PA
- 170
- Total EPA violations on record
- 56%
- 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
- Community
- Owner Type
- Local
- Connections
- 609
- County
- Berks
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 53
- Treatment Tech Violations
- 87
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 87 | 2016 |
| Public Notice | Other | 12 | 2016 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2023 |
| Surface Water Treatment Rule | MR | 11 | 2023 |
| TTHM | MR | 8 | 2015 |
| Coliform (TCR) | MCL | 8 | 2005 |
| Chlorine | MR | 7 | 2016 |
| Coliform (TCR) | MR | 6 | 2013 |
| Lead and Copper Rule | MR | 5 | 2019 |
| Cadmium | MR | 4 | 1990 |
Violation Count vs. the National Corpus
Ontelaunee Township has 170 recorded EPA violations, 83% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 17% carry more. 56% of this system's own violations are health-based (95 of 170), and it ranks #11,618 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)
170 Higher than most more violations than 83% 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
Health-based violations on Ontelaunee Township
95 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for PA3060098.
Sources: EPA SDWIS · Pennsylvania DEP, Bureau of Safe Drinking Water
Nationwide peers
170 violations · 2,598 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 near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Ontelaunee Township
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.