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Jonathan Alder Junior High School

Sewage treatment plant, Plain City, Ohio. NPDES permit OH0130834, in force until Oct 31, 2030. Last 12 months: over a limit 19 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (23 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
11 values over a limit, 21 required values missing, 4 of 13 reports late

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

All 19 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average11≤ 10 mg/L10%
October 2025Nitrogen, ammonia total [as N], monthly average.729≤ .047 kg/d1451%
October 2025Nitrogen, ammonia total [as N], monthly average21.9≤ 1 mg/L2090%
October 2025Nitrogen, ammonia total [as N], weekly maximum.729≤ .071 kg/d927%
October 2025Nitrogen, ammonia total [as N], weekly maximum21.9≤ 1.5 mg/L1360%
November 2025Nitrogen, ammonia total [as N], monthly average.416≤ .14 kg/d197%
November 2025Nitrogen, ammonia total [as N], monthly average9.64≤ 3 mg/L221%
November 2025Nitrogen, ammonia total [as N], weekly maximum.416≤ .21 kg/d98%
November 2025Nitrogen, ammonia total [as N], weekly maximum9.64≤ 4.5 mg/L114%
March 2026Nitrogen, ammonia total [as N], monthly average.27≤ .14 kg/d93%
March 2026Nitrogen, ammonia total [as N], monthly average4.6≤ 3 mg/L53%
March 2026Nitrogen, ammonia total [as N], weekly maximum.27≤ .21 kg/d29%
March 2026Nitrogen, ammonia total [as N], weekly maximum4.6≤ 4.5 mg/L2%
May 2026Nitrogen, ammonia total [as N], monthly average.878≤ .047 kg/d1768%
May 2026Nitrogen, ammonia total [as N], monthly average19.5≤ 1 mg/L1850%
May 2026Nitrogen, ammonia total [as N], weekly maximum.878≤ .071 kg/d1137%
May 2026Nitrogen, ammonia total [as N], weekly maximum19.5≤ 1.5 mg/L1200%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average.65≤ .47 kg/d38%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average13≤ 10 mg/L30%

Limits in force (35)

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≤ .57 kg/dall year001
Solids, total suspendedweekly maximum≤ .85 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .047 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .14 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .071 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ .21 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec001
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≤ .47 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .71 kg/dall year001
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0130834 · MCP: https://passage-data.com/mcp