PlainWater
StatesOhio

Community Water System · PWS OH4504012

St Louisville Village PWS

Operator location Newark, Ohio - 0% of 35 violations are health-based (lower-third health share (≤ 1%)); groundwater source; 374 served per SDWIS.

374
People served (this PWS)
35
EPA violations (this PWS)
0
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

St Louisville Village PWS standing, mid SDWIS violation third

0% of 35 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

St Louisville Village PWS lands in the middle third by violation volume (35), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (374; 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.

35
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
374
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
Community
Owner Type
Local
Connections
163
County
Licking
School/Daycare
No
MCL Violations
0
Monitoring Violations
30
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 8 2003
Cadmium MR 3 1986
Chromium MR 3 1986
Fluoride MR 3 1986
Selenium MR 3 1986
Barium MR 3 1986
Mercury MR 3 1986
Nitrate MR 3 1986
Arsenic MR 1 1986

Violation Count vs. the National Corpus

St Louisville Village PWS has 35 recorded EPA violations, 46% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 53% carry more. 0% of this system's own violations are health-based (0 of 35), 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)

35 Lower than most fewer violations than 53% 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 St Louisville Village PWS

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 OH4504012.

Sources: EPA SDWIS · Ohio EPA, Division of Drinking and Ground Waters

Nationwide peers

35 violations · 374 served: nearest cross-state SDWIS matches.

What to do with St Louisville Village PWS

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in Ohio compares on the same EPA violation measures. Ohio 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