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Non-Transient Non-Community Water System · PWS PA4440317

Mifflin Cnty Sch Dist

Operator location Lewistown, Pennsylvania - 0% of 66 violations are health-based (lower-third health share (≤ 1%)); groundwater source; 233 served per SDWIS.

233
People served (this PWS)
66
EPA violations (this PWS)
0
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Mifflin Cnty Sch Dist standing, mid SDWIS violation third

0% of 66 recorded violations are health-based - lower-third health share (≤ 1%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 0% is lower-third health share (≤ 1%).

The verdict

Mifflin Cnty Sch Dist lands in the middle third by violation volume (66), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (233; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is only 0% - almost all of this trail is monitoring or reporting. No UCMR5 PFAS test appears for this system in this extract.

66
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
233
People served by this PWS (SDWIS)
N/A
PFAS compounds detected (UCMR5)

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
1
County
Mifflin
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
58
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 10 2000
Lead and Copper Rule MR 3 2005
2,3,7,8-TCDD MR 3 2011
Chlorine MR 2 2009
1,2,4-Trichlorobenzene MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
Xylenes, Total MR 2 2011
1,1-Dichloroethylene MR 2 2011
1,2-Dichloroethane MR 2 2011
1,1,1-Trichloroethane MR 2 2011
Carbon tetrachloride MR 2 2011
1,2-Dichloropropane MR 2 2011
Trichloroethylene MR 2 2011
1,1,2-Trichloroethane MR 2 2011
Toluene MR 2 2011
Styrene MR 2 2011
Public Notice Other 2 2012
p-Dichlorobenzene MR 2 2011
DICHLOROMETHANE MR 2 2011
Ethylbenzene MR 2 2011
Tetrachloroethylene MR 2 2011
trans-1,2-Dichloroethylene MR 2 2011
Benzene MR 2 2011
CHLOROBENZENE MR 2 2011
o-Dichlorobenzene MR 2 2011

Violation Count vs. the National Corpus

Mifflin Cnty Sch Dist has 66 recorded EPA violations, 64% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 36% carry more. 0% of this system's own violations are health-based (0 of 66), and it ranks unranked by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

66 Around the middle fewer violations than 36% 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 Mifflin Cnty Sch Dist

0 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for PA4440317.

Sources: EPA SDWIS · Pennsylvania DEP, Bureau of Safe Drinking Water

Nationwide peers

66 violations · 233 served: nearest cross-state SDWIS matches.

Cross-state systems near this violation count

Nearest cross-state community systems (500+ served) by total SDWIS violations on record.

4 peers

What to do with Mifflin Cnty Sch Dist

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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater