PARADIGM AVIATION INC STP

NPDES ID: PA0216445

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

Violations

February 28, 2026

Nitrogen, ammonia total [as N]

41% over limit

Discharged 37.8 mg/L against a permitted limit of 26.8 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

182% over limit

Discharged 37.8 mg/L against a permitted limit of 13.4 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Nitrogen, ammonia total [as N]

369% over limit

Discharged 62.8 mg/L against a permitted limit of 13.4 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

134% over limit

Discharged 62.8 mg/L against a permitted limit of 26.8 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

100% over limit

Discharged 60 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

Nitrogen, ammonia total [as N]

27% over limit

Discharged 38 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Coliform, fecal general

10% over limit

Discharged 219 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

February 28, 2025

Nitrogen, ammonia total [as N]

50% over limit

Discharged 89.7 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

199% over limit

Discharged 89.7 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

Nitrogen, ammonia total [as N]

39% over limit

Discharged 41.8 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)