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Harbourtown MHP

Mobile Home Site Operators, Vermilion, Ohio. NPDES permit OH0035891, in force until Apr 30, 2027. Last 12 months: over a limit 16 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (28 values)
Renewal application due
Nov 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
14 values over a limit, 0 required values missing, 1 of 13 reports late

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

All 16 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], weekly maximum23≤ 15 mg/L53%
February 2026BOD, carbonaceous [5 day, 20 C], weekly maximum18≤ 15 mg/L20%
February 2026Solids, total suspended, weekly maximum22.2≤ 18 mg/L23%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average13≤ 10 mg/L30%
April 2026BOD, carbonaceous [5 day, 20 C], weekly maximum23≤ 15 mg/L53%
April 2026Solids, total suspended, monthly average13.8≤ 12 mg/L15%
May 2026Nitrogen, ammonia total [as N], monthly average.923≤ .4 kg/d131%
May 2026Nitrogen, ammonia total [as N], monthly average4.42≤ 2 mg/L121%
May 2026Nitrogen, ammonia total [as N], weekly maximum1.73≤ .6 kg/d188%
May 2026Nitrogen, ammonia total [as N], weekly maximum7.5≤ 3 mg/L150%
July 2026BOD, carbonaceous [5 day, 20 C], weekly maximum19≤ 15 mg/L27%
July 2026E. coli, MTEC-MF, monthly geometric mean2420≤ 126 MPN/100mL1821%
July 2026E. coli, MTEC-MF, weekly geometric mean2420≤ 284 MPN/100mL752%
July 2026Nitrogen, ammonia total [as N], weekly maximum3.95≤ 3 mg/L32%
August 2026E. coli, MTEC-MF, weekly geometric mean2420≤ 284 MPN/100mL752%
August 2026Nitrogen, ammonia total [as N], monthly average2.29≤ 2 mg/L15%

Limits in force (32)

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≤ 2.28 kg/dall year001
Solids, total suspendedweekly maximum≤ 3.41 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≤ .4 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ .6 kg/dMay–Oct001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
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
Chlorine, total residualdaily maximum≤ .038 mg/LMay–Oct001
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≤ 1.9 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 2.84 kg/dall year001
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/OH0035891 · MCP: https://passage-data.com/mcp