MARSHALL CO SCHOOL DISTRICT, H W BYERS SCHOOL
NPDES ID: MS0034631
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
December 31, 2025
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO AV)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 4.767 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 3.57752 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 2.3835 kg/d (MX MO AV)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.1 mg/L (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (MX MO AV)
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
Nitrogen, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.021 MGD (MX MO AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 60 mg/L (MX MO AV)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 4.767 kg/d (MX MO AV)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
December 31, 2024
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 4.69 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0.09988 kg/d against a permitted limit of 4.767 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 14 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 14 mg/L against a permitted limit of 60 mg/L (MX MO AV)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 4.69 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 35.8 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.8 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0.257418 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 1 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 1 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.03178 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.03178 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0.257418 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.8 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 35.8 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 0.0004 MGD against a permitted limit of 0.021 MGD (MX MO AV)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.4 mg/L against a permitted limit of 1 mg/L (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.00908 kg/d against a permitted limit of 3.57752 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.00908 kg/d against a permitted limit of 2.3835 kg/d (MX MO AV)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.09988 kg/d against a permitted limit of 4.767 kg/d (MX MO AV)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.1 mg/L against a permitted limit of 0.1 mg/L (MINIMUM)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)