UPPER GWYNEDD TWP WWTP
NPDES ID: PA0023256
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 40 reporting violations.
Violations
March 31, 2026
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total dissolved
0% over limit
Discharged 0 mg/L against a permitted limit of 1000 mg/L (QRTR 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, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 8.8 mg/L (MO AVG)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (INST MAX)
DMR, Monitor Only - Overdue
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (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
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (QRTR AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 47.6699996 kg/d (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 213.37999821 kg/d (MO AVG)
DMR, Limited - Overdue
Selenium, total [as Se]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (QRTR 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
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
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
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 726.85399389 kg/d (MO AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
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
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 320.06999731 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 1090.50799084 kg/d (WKLY 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
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 13.2 mg/L (WKLY AVG)
DMR, Limited - Overdue
TU Static 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (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 (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.95 mg/L (MO AVG)
DMR, Limited - Overdue
Iron, dissolved [as Fe]
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 (MO AVG)
DMR, Monitor Only - Overdue
4,4'-DDE
0% over limit
Discharged 0 mg/L against a permitted limit of 0.000049 mg/L (QRTR AVG)
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
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Selenium, total [as Se]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Static 7Day Chronic Pimephales Promelas
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (DAILY MX)
DMR, Monitor Only - Overdue
Ultraviolet light transmittance
0% over limit
Discharged 0 % against a permitted limit of 0 % (INST MIN)
DMR, Monitor Only - Overdue
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0 toxic against a permitted limit of 0 toxic (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 (MO AVG)
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
April 30, 2025
Phosphate, ortho [as P]
20% over limit
Discharged 0.6 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Iron, dissolved [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL 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 (ANNL AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (ANNL AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (ANNL 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 (ANNL AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (ANNL AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (ANNL AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Iron, dissolved [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (ANNL AVG)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (ANNL AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
Iron, dissolved [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL 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 (ANNL AVG)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (ANNL AVG)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (5 hours ago)