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Community Water System · PWS ME0002346

Mountainside Mobile Home Park

Operator location Thomaston, Maine - 25% of 113 violations are health-based (upper-third health share (> 23%)); groundwater source; 130 served per SDWIS.

130
People served (this PWS)
113
EPA violations (this PWS)
28
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Mountainside Mobile Home Park standing, high SDWIS violation third

25% of 113 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 25% is upper-third health share (> 23%).

The verdict

Mountainside Mobile Home Park sits in the upper third of the sitemap cohort by violation count (113), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (130; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 25% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.

113
Total EPA violations on record
25%
Health-based (MCL / treatment failure)
130
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
Private
Connections
52
County
Knox
School/Daycare
No
MCL Violations
26
Monitoring Violations
64
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 26 2015
Coliform (TCR) MR 25 2012
Nitrate MR 11 2018
Public Notice Other 10 2021
E. COLI MR 8 2019
Gross Alpha, Excl. Radon and U MR 4 2000
Lead and Copper Rule MR 4 2017
Revised Total Coliform Rule MON 4 2018
Consumer Confidence Rule Other 4 2022
Nitrite MR 4 2004
Radium-228 MR 4 2005
Revised Total Coliform Rule TT 2 2021

Violation Count vs. the National Corpus

Mountainside Mobile Home Park has 113 recorded EPA violations, 76% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 24% carry more. 25% of this system's own violations are health-based (28 of 113), 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)

113 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

Health-based violations on Mountainside Mobile Home Park

28 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for ME0002346.

Sources: EPA SDWIS

Nationwide peers

113 violations · 130 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.

4 peers

What to do with Mountainside Mobile Home Park

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

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