TIOGA MHC LLC

NPDES ID: PA0115100

E — SNC: Effluent violation (monthly average limit)

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

This quarter: 3 effluent violations, 2 single-event violations, 13 reporting violations.

Violations

April 30, 2026

Solids, total suspended

53% over limit

Discharged 46 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 39 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

March 31, 2026

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (INST MAX)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.5 mg/L (MO AVG)

DMR, Limited - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)

DMR, Monitor Only - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (INST MIN)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Coliform, fecal general

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 1.6 mg/L (INST MAX)

DMR, Limited - Overdue

BOD, carbonaceous [5 day, 20 C]

0% over limit

Discharged 0 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)

DMR, Monitor Only - Overdue

February 28, 2026

Coliform, fecal general

Limit violation

Discharged 345 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 5.8 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Numeric Violation

Chlorine, total residual

20% over limit

Discharged 0.6 mg/L against a permitted limit of 0.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

25% over limit

Discharged 2 mg/L against a permitted limit of 1.6 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

220% over limit

Discharged 80 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

313% over limit

Discharged 124 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

470% over limit

Discharged 171 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 87 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

100% over limit

Discharged 50 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

Limit violation

Discharged 24200 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

November 30, 2025

Coliform, fecal general

Limit violation

Discharged 68 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

August 31, 2025

pH

0% over limit

Discharged 5.8 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Numeric Violation

July 31, 2025

Coliform, fecal general

142% over limit

Discharged 2420 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 4.9 SU against a permitted limit of 6 SU (INST MIN)

DMR, Limited - Numeric Violation

June 30, 2025

Chlorine, total residual

13% over limit

Discharged 1.8 mg/L against a permitted limit of 1.6 mg/L (INST MAX)

DMR, Limited - Numeric Violation

April 30, 2025

Chlorine, total residual

13% over limit

Discharged 1.8 mg/L against a permitted limit of 1.6 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

183% over limit

Discharged 85 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

144% over limit

Discharged 61 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2025

BOD, carbonaceous [5 day, 20 C]

284% over limit

Discharged 96 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

423% over limit

Discharged 157 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total suspended

7% over limit

Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

6% over limit

Discharged 1.7 mg/L against a permitted limit of 1.6 mg/L (INST MAX)

DMR, Limited - Numeric Violation

January 31, 2025

Solids, total suspended

93% over limit

Discharged 58 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

21% over limit

Discharged 2420 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

December 31, 2024

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

3% over limit

Discharged 31 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Coliform, fecal general

6% over limit

Discharged 2121 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

September 30, 2024

Coliform, fecal general

142% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)

DMR, Limited - Numeric Violation

Coliform, fecal general

548% over limit

Discharged 1296 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)

DMR, Limited - Numeric Violation

August 31, 2024

Chlorine, total residual

25% over limit

Discharged 2 mg/L against a permitted limit of 1.6 mg/L (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (5 days ago)