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Community Water System · PWS MD0020221

Summerhill Mobile Home Park

Operator location Glen Arm, Maryland - smaller served population (≤ 999) at 350 people served; 69 SDWIS violations on record from groundwater sources.

350
People served (this PWS)
69
EPA violations (this PWS)
1
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Summerhill Mobile Home Park standing, mid SDWIS violation third

350 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 1% is middle-third health share (≤ 23%).

The verdict

Summerhill Mobile Home Park lands in the middle third by violation volume (69), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (350; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 1% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

69
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
350
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
105
County
Anne Arundel
School/Daycare
No
MCL Violations
0
Monitoring Violations
57
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 10 2022
Fluoride MR 8 2018
Lead and Copper Rule MR 6 2020
Consumer Confidence Rule Other 6 2023
Nitrate MR 3 2020
Barium MR 3 1998
Cadmium MR 3 1998
Chromium MR 3 1998
Mercury MR 3 1998
Nickel MR 3 1998
Antimony, Total MR 3 1998
Thallium, Total MR 3 1998
Selenium MR 3 1998
Beryllium, Total MR 3 1998
Arsenic MR 2 1998
LEAD AND COPPER RULE REVISIONS RPT 1 2024
Coliform (TCR) MR 1 1996
LEAD AND COPPER RULE REVISIONS TT 1 2024

Violation Count vs. the National Corpus

Summerhill Mobile Home Park has 69 recorded EPA violations, 65% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 35% carry more. 1% of this system's own violations are health-based (1 of 69), 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)

69 Around the middle fewer violations than 35% 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 Summerhill Mobile Home Park

EPA SDWIS lists 350 people served and 105 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.

Sources: EPA SDWIS

Nationwide peers

69 violations · 350 served: nearest cross-state SDWIS matches.

What to do with Summerhill Mobile Home Park

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

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