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Roof Garden MHC LLC

Mobile Home Site Operators, Somerset, Pennsylvania. NPDES permit PA0095851, in force until Sep 30, 2030. Last 12 months: over a limit 16 times (last June 2026), 14 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (14 values), form Q quarterly, form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
21 values over a limit, 0 required values missing, 0 of 13 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 16 values over a limit
Period endingParameterReportedLimitOver by
December 2025Coliform, fecal general, geometric mean4319 CFU/100mL≤ 2000 CFU/100mL116%
January 2026Flow, in conduit or thru treatment plant, monthly average.01385 MGD≤ .013 MGD7%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average35 mg/L≤ 25 mg/L40%
February 2026Coliform, fecal general, geometric mean7875 CFU/100mL≤ 2000 CFU/100mL294%
February 2026Coliform, fecal general, instantaneous maximum12878 CFU/100mL≤ 10000 CFU/100mL29%
February 2026Flow, in conduit or thru treatment plant, monthly average.01644 MGD≤ .013 MGD26%
March 2026Flow, in conduit or thru treatment plant, monthly average.02814 MGD≤ .013 MGD116%
April 2026Coliform, fecal general, geometric mean9157 CFU/100mL≤ 2000 CFU/100mL358%
April 2026Coliform, fecal general, instantaneous maximum16818.5 CFU/100mL≤ 10000 CFU/100mL68%
April 2026Flow, in conduit or thru treatment plant, monthly average.02149 MGD≤ .013 MGD65%
May 2026Coliform, fecal general, instantaneous maximum1215.9 CFU/100mL≤ 1000 CFU/100mL22%
May 2026Flow, in conduit or thru treatment plant, monthly average.01839 MGD≤ .013 MGD41%
May 2026Nitrogen, ammonia total [as N], instantaneous maximum35.8 mg/L≤ 28.84 mg/L24%
May 2026Nitrogen, ammonia total [as N], monthly average34.1 mg/L≤ 14.42 mg/L136%
June 2026Nitrogen, ammonia total [as N], instantaneous maximum35.2 mg/L≤ 28.84 mg/L22%
June 2026Nitrogen, ammonia total [as N], monthly average34.2 mg/L≤ 14.42 mg/L137%

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 14.42 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]instantaneous maximum≤ 28.84 mg/LMay–Oct
Nitrogen, ammonia total [as N]instantaneous maximum≤ 50 mg/LJan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Iron, total [as Fe]daily maximumreport only (mg/L)all year
Manganese, total [as Mn]daily maximumreport only (mg/L)all year
Aluminum, total [as Al]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .013 MGDall year
Chlorine, total residualmonthly average≤ .5 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall year
E. coliinstantaneous maximumreport only (#/100mL)all year
Coliform, fecal generalgeometric mean≤ 200 CFU/100mLMay–Sep
Coliform, fecal generalgeometric mean≤ 2000 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 CFU/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 10000 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]instantaneous maximum≤ 50 mg/Lall year

New limits from Oct 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.359 mg/Ltighter0.48 mg/L (9 values)1.34×
Chlorine, total residual, monthly average0.11 mg/Ltighter0.31 mg/L (9 values)2.82×

How strict are these limits?

Cited limits by parameter: Pennsylvania's rules and the federal ones.

Same industry: the 210 Real Estate permits in Pennsylvania.

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