MERCK/ CHEROKEE PLANT
NPDES ID: PA0008419
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 143 reporting violations.
Violations
March 31, 2026
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Heptane
0% over limit
Discharged 0 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)
DMR, Limited - Overdue
Benzene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Heptane
0% over limit
Discharged 0 kg/d against a permitted limit of 0.05448 kg/d (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
Acetone
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, Kjeldahl Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Isopropyl acetate
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0 kg/d against a permitted limit of 0.14528 kg/d (DAILY MX)
DMR, Limited - Overdue
Methylene chloride
0% over limit
Discharged 0 kg/d against a permitted limit of 0.87167999 kg/d (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Isopropanol
0% over limit
Discharged 0 kg/d against a permitted limit of 11.3681599 kg/d (DAILY MX)
DMR, Limited - Overdue
Dimethyl sulfoxide, total
0% over limit
Discharged 0 mg/L against a permitted limit of 37.5 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 83.98999929 kg/d (MO AVG)
DMR, Limited - Overdue
Iron, dissolved [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 7 mg/L (INST MAX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 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
Triethylamine
0% over limit
Discharged 0 mg/L against a permitted limit of 102 mg/L (MO AVG)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 1486.84998751 kg/d (MO AVG)
DMR, Limited - Overdue
Methylene chloride
0% over limit
Discharged 0 kg/d against a permitted limit of 2.61957998 kg/d (DAILY MX)
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
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 685.53999424 kg/d (MO AVG)
DMR, Limited - Overdue
Tetrahydrofuran
0% over limit
Discharged 0 mg/L against a permitted limit of 2.6 mg/L (MO AVG)
DMR, Limited - Overdue
1,2-Dichloroethane
0% over limit
Discharged 0 kg/d against a permitted limit of 1.16223999 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 29.4 mg/L (MO AVG)
DMR, Limited - Overdue
Ethanol
0% over limit
Discharged 0 kg/d against a permitted limit of 11.9492799 kg/d (MO AVG)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 510 mg/L (MO AVG)
DMR, Limited - Overdue
Ethanol
0% over limit
Discharged 0 mg/L against a permitted limit of 4.1 mg/L (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phenol
0% over limit
Discharged 0 kg/d against a permitted limit of 0.05448 kg/d (MO AVG)
DMR, Limited - Overdue
Isopropyl acetate
0% over limit
Discharged 0 kg/d against a permitted limit of 3.78635997 kg/d (DAILY MX)
DMR, Limited - Overdue
Dimethyl sulfoxide, total
0% over limit
Discharged 0 kg/d against a permitted limit of 266.76585776 kg/d (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Acetone
0% over limit
Discharged 0 kg/d against a permitted limit of 1.45733999 kg/d (DAILY MX)
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
Toluene
0% over limit
Discharged 0 kg/d against a permitted limit of 0.17252 kg/d (DAILY MX)
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
Benzene
0% over limit
Discharged 0 kg/d against a permitted limit of 0.05448 kg/d (MO AVG)
DMR, Limited - Overdue
Acetonitrile
0% over limit
Discharged 0 kg/d against a permitted limit of 29.73699975 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Ethyl acetate
0% over limit
Discharged 0 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Overdue
Toluene
0% over limit
Discharged 0 kg/d against a permitted limit of 0.05448 kg/d (MO AVG)
DMR, Limited - Overdue
Hexane
0% over limit
Discharged 0 kg/d against a permitted limit of 0.08626 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Toluene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.02 mg/L (MO AVG)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
n-Butyl acetate
0% over limit
Discharged 0 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Overdue
Chloroform
0% over limit
Discharged 0 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Methyl formate
0% over limit
Discharged 0 kg/d against a permitted limit of 3.78635997 kg/d (DAILY MX)
DMR, Limited - Overdue
Chloroform
0% over limit
Discharged 0 mg/L against a permitted limit of 0.13 mg/L (MO AVG)
DMR, Limited - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Hexane
0% over limit
Discharged 0 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Overdue
Acetonitrile
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Overdue
Ethyl acetate
0% over limit
Discharged 0 kg/d against a permitted limit of 3.78635997 kg/d (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Benzene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.02 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
Nitrogen, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Acetone
0% over limit
Discharged 0 kg/d against a permitted limit of 0.58112 kg/d (MO AVG)
DMR, Limited - Overdue
n-Butyl acetate
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Overdue
Methyl formate
0% over limit
Discharged 0 kg/d against a permitted limit of 1.45733999 kg/d (MO AVG)
DMR, Limited - Overdue
n-Butyl acetate
0% over limit
Discharged 0 kg/d against a permitted limit of 1.45733999 kg/d (MO AVG)
DMR, Limited - Overdue
Tetrahydrofuran
0% over limit
Discharged 0 kg/d against a permitted limit of 24.48875979 kg/d (DAILY MX)
DMR, Limited - Overdue
n-Butyl acetate
0% over limit
Discharged 0 kg/d against a permitted limit of 3.78635997 kg/d (DAILY MX)
DMR, Limited - Overdue
Dimethyl sulfoxide, total
0% over limit
Discharged 0 kg/d against a permitted limit of 109.32773908 kg/d (MO AVG)
DMR, Limited - Overdue
Ethyl acetate
0% over limit
Discharged 0 kg/d against a permitted limit of 1.45733999 kg/d (MO AVG)
DMR, Limited - Overdue
Isopropyl acetate
0% over limit
Discharged 0 kg/d against a permitted limit of 1.45733999 kg/d (MO AVG)
DMR, Limited - Overdue
Acetonitrile
0% over limit
Discharged 0 kg/d against a permitted limit of 72.88515939 kg/d (DAILY MX)
DMR, Limited - Overdue
Benzene
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Acetonitrile
0% over limit
Discharged 0 mg/L against a permitted limit of 10.2 mg/L (MO AVG)
DMR, Limited - Overdue
Toluene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.06 mg/L (DAILY MX)
DMR, Limited - Overdue
Ethanol
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Triethylamine
0% over limit
Discharged 0 kg/d against a permitted limit of 297.3790775 kg/d (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - 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
Methanol, total
0% over limit
Discharged 0 kg/d against a permitted limit of 29.15133976 kg/d (DAILY MX)
DMR, Limited - Overdue
Triethylamine
0% over limit
Discharged 0 mg/L against a permitted limit of 250 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 245.15999794 kg/d (DAILY MX)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0 mg/L against a permitted limit of 0.02 mg/L (MO AVG)
DMR, Limited - Overdue
Methyl formate
0% over limit
Discharged 0 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Overdue
Benzene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
1,2-Dichloroethane
0% over limit
Discharged 0 mg/L against a permitted limit of 0.4 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Ethanol
0% over limit
Discharged 0 kg/d against a permitted limit of 29.15133976 kg/d (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Tetrahydrofuran
0% over limit
Discharged 0 kg/d against a permitted limit of 7.57725994 kg/d (MO AVG)
DMR, Limited - Overdue
Methanol, total
0% over limit
Discharged 0 kg/d against a permitted limit of 11.9492799 kg/d (MO AVG)
DMR, Limited - Overdue
Isopropanol
0% over limit
Discharged 0 kg/d against a permitted limit of 4.66257996 kg/d (MO AVG)
DMR, Limited - Overdue
Benzene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Isopropanol
0% over limit
Discharged 0 mg/L against a permitted limit of 3.9 mg/L (DAILY MX)
DMR, Limited - Overdue
Methanol, total
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - 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
Acetone
0% over limit
Discharged 0 mg/L against a permitted limit of 0.2 mg/L (MO AVG)
DMR, Limited - Overdue
Isopropyl acetate
0% over limit
Discharged 0 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Hexane
0% over limit
Discharged 0 kg/d against a permitted limit of 0.05448 kg/d (MO AVG)
DMR, Limited - Overdue
Methyl formate
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)
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
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Hexane
0% over limit
Discharged 0 mg/L against a permitted limit of 0.02 mg/L (MO AVG)
DMR, Limited - Overdue
Chloroform
0% over limit
Discharged 0 kg/d against a permitted limit of 0.58112 kg/d (DAILY MX)
DMR, Limited - Overdue
Triethylamine
0% over limit
Discharged 0 kg/d against a permitted limit of 728.87429388 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Dimethyl sulfoxide, total
0% over limit
Discharged 0 mg/L against a permitted limit of 91.5 mg/L (DAILY MX)
DMR, Limited - Overdue
1,2-Dichloroethane
0% over limit
Discharged 0 kg/d against a permitted limit of 0.29056 kg/d (MO AVG)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Methylene chloride
0% over limit
Discharged 0 mg/L against a permitted limit of 0.9 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 84.1 mg/L (DAILY MX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (INST MAX)
DMR, Limited - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Overdue
Tetrahydrofuran
0% over limit
Discharged 0 mg/L against a permitted limit of 8.4 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 404.0599966 kg/d (MO AVG)
DMR, Limited - Overdue
1,2-Dichloroethane
0% over limit
Discharged 0 mg/L against a permitted limit of 0.1 mg/L (MO AVG)
DMR, Limited - Overdue
Benzene
0% over limit
Discharged 0 kg/d against a permitted limit of 0.14528 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Heptane
0% over limit
Discharged 0 mg/L against a permitted limit of 0.02 mg/L (MO AVG)
DMR, Limited - Overdue
Heptane
0% over limit
Discharged 0 kg/d against a permitted limit of 0.14528 kg/d (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Phosphorus, Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Ethyl acetate
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Overdue
Isopropanol
0% over limit
Discharged 0 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Overdue
Chloroform
0% over limit
Discharged 0 kg/d against a permitted limit of 0.37682 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, Ammonia Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Benzene
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Methanol, total
0% over limit
Discharged 0 mg/L against a permitted limit of 4.1 mg/L (MO AVG)
DMR, Limited - Overdue
Methylene chloride
0% over limit
Discharged 0 mg/L against a permitted limit of 0.3 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
December 31, 2024
Nitrogen, Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (ANNL TOT)
DMR, Monitor Only - Overdue
Nitrogen, Ammonia Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (ANNL TOT)
DMR, Monitor Only - Overdue
Phosphorus, Total
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (ANNL TOT)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (12 hours ago)