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Crystal Lake Communities LLC

Mobile Home Site Operators, Delaware, Ohio. NPDES permit OH0101788, in force until Dec 31, 2027. Last 12 months: over a limit 17 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (23 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
23 values over a limit, 0 required values missing, 0 of 14 reports late

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

All 17 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, MTEC-MF, monthly geometric mean576≤ 126 MPN/100mL357%
October 2025E. coli, MTEC-MF, weekly geometric mean576≤ 284 MPN/100mL103%
October 2025Nitrogen, ammonia total [as N], monthly average1.19≤ .18 kg/d561%
October 2025Nitrogen, ammonia total [as N], monthly average21.9≤ 2 mg/L995%
October 2025Nitrogen, ammonia total [as N], weekly maximum1.19≤ .27 kg/d341%
October 2025Nitrogen, ammonia total [as N], weekly maximum21.9≤ 3 mg/L630%
December 2025Solids, total suspended, monthly average21≤ 12 mg/L75%
December 2025Solids, total suspended, weekly maximum21≤ 18 mg/L17%
May 2026E. coli, MTEC-MF, monthly geometric mean395≤ 126 MPN/100mL213%
May 2026E. coli, MTEC-MF, weekly geometric mean395≤ 284 MPN/100mL39%
June 2026E. coli, MTEC-MF, monthly geometric mean2990≤ 126 MPN/100mL2273%
June 2026E. coli, MTEC-MF, weekly geometric mean2990≤ 284 MPN/100mL953%
July 2026Nitrogen, ammonia total [as N], monthly average2.21≤ 2 mg/L11%
August 2026Nitrogen, ammonia total [as N], monthly average1.55≤ .18 kg/d761%
August 2026Nitrogen, ammonia total [as N], monthly average14.8≤ 2 mg/L640%
August 2026Nitrogen, ammonia total [as N], weekly maximum1.55≤ .27 kg/d474%
August 2026Nitrogen, ammonia total [as N], weekly maximum14.8≤ 3 mg/L393%

Limits in force (33)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedweekly maximum≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 1.1 kg/dall year001
Solids, total suspendedweekly maximum≤ 1.6 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 3 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .18 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ .27 kg/dMay–Oct001
Turbidity [severity]monthly averagereport only (severity)all year001
Turbidity [severity]daily maximumreport only (severity)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ .9 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 1.4 kg/dall year001
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
Sludge weight, drymonthly averagereport only (dry ton)Dec586
Sludge weight, drydaily maximumreport only (dry ton)Dec586
Sludge weight, drymonthly averagereport only (dry ton)Dec588
Sludge weight, drydaily maximumreport only (dry ton)Dec588
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588

How strict are these limits?

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

Same industry: the 193 Real Estate permits in Ohio.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0101788 · MCP: https://passage-data.com/mcp