PIERPONT DEVELOPMENT
NPDES ID: WVG550905
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 22 reporting violations.
Violations
March 31, 2026
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
Solids, total suspended
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 mg/L against a permitted limit of 20 mg/L (DAILY MX)
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
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
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 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (INST MAX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 12 mg/L (DAILY MX)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - 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
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
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
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (INST MAX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.003 MGD (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)
DMR, Limited - Overdue
Nitrogen, ammonia 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 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Overdue
December 31, 2025
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)
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
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 12 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (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
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - 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
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 10 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 0.003 MGD (DAILY MX)
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
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 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
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (INST MAX)
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
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Overdue
September 30, 2025
BOD, 5-day, 20 deg. C
68% over limit
Discharged 16.8 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
34% over limit
Discharged 16.8 mg/L against a permitted limit of 12.5 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
236% over limit
Discharged 16.8 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 3.4 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.15436 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
377% over limit
Discharged 28.6 mg/L against a permitted limit of 6 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
377% over limit
Discharged 28.6 mg/L against a permitted limit of 6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
0% over limit
Discharged 74 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
281% over limit
Discharged 28.6 mg/L against a permitted limit of 7.5 mg/L (INST MAX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
281% over limit
Discharged 28.6 mg/L against a permitted limit of 7.5 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
216% over limit
Discharged 31.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
216% over limit
Discharged 31.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.17252 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
153% over limit
Discharged 31.6 mg/L against a permitted limit of 12.5 mg/L (INST MAX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
153% over limit
Discharged 31.6 mg/L against a permitted limit of 12.5 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
360% over limit
Discharged 138 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
360% over limit
Discharged 138 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 8.25 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
853% over limit
Discharged 28.6 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
853% over limit
Discharged 28.6 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
130% over limit
Discharged 138 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
130% over limit
Discharged 138 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 0.75363999 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 74 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 7.5 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
84% over limit
Discharged 138 mg/L against a permitted limit of 75 mg/L (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
84% over limit
Discharged 138 mg/L against a permitted limit of 75 mg/L (INST MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 8.25 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.17252 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.15436 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0.75363999 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.00144 MGD against a permitted limit of 0.003 MGD (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
532% over limit
Discharged 31.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
532% over limit
Discharged 31.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
0% over limit
Discharged 74 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Overdue
March 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.003 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - 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
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
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (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
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
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
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)
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 12 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 20 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 75 mg/L (INST MAX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (INST MAX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (INST MAX)
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
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
December 31, 2024
Coliform, fecal general
0% over limit
Discharged 74 MPN/100mL against a permitted limit of 500 MPN/100mL (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 9 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 9 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.048 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.7 mg/L against a permitted limit of 75 mg/L (INST MAX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.048 mg/L against a permitted limit of 15 mg/L (INST MAX)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 74 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 74 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2.3 mg/L against a permitted limit of 25 mg/L (INST MAX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
633% over limit
Discharged 0.022 MGD against a permitted limit of 0.003 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
633% over limit
Discharged 0.022 MGD against a permitted limit of 0.003 MGD (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00908 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.19068 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2.7 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.048 mg/L against a permitted limit of 12 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00908 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0.227 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 0.19068 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 6.05 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.227 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2.3 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.7 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2.3 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Overdue
September 30, 2024
Flow, in conduit or thru treatment plant
33% over limit
Discharged 0.004 MGD against a permitted limit of 0.003 MGD (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)