HARRISONBURG WWTF
NPDES ID: LA0043958
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 3 effluent violations.
Violations
December 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.06 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3 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 0.0216 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 1.19 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 0.0125 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 5 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.8 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.04994 kg/d against a permitted limit of 2.26999998 kg/d (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 2.56 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0.13166 kg/d against a permitted limit of 7.26399994 kg/d (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 1.19 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 0.14074 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.83 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0.01362 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 2.56 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.22 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.47 mg/L against a permitted limit of 10 mg/L (WKLY AVG)
DMR, Limited - Overdue
November 30, 2025
Solids, total suspended
0% over limit
Discharged 4.75 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 7 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.6 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.87 mg/L against a permitted limit of 10 mg/L (WKLY AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.44 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.5 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.3 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 2.26999998 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.01362 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.4 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.01816 kg/d against a permitted limit of 7.26399994 kg/d (MO AVG)
DMR, Limited - Overdue
October 31, 2025
Solids, total suspended
0% over limit
Discharged 8 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.1 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.22 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4.09 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 5.27 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0013 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 2.26999998 kg/d (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0013 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 5.14 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.01816 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 10 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.6 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.0227 kg/d against a permitted limit of 7.26399994 kg/d (MO AVG)
DMR, Limited - Overdue
September 30, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0009 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8.4 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0.005902 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 6 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.004086 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.08 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.01362 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 10 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.2 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4.22 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4.16 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 1.22 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 4.42 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 2.26999998 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.01816 kg/d against a permitted limit of 7.26399994 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 1.78 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 1.78 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 1.22 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
August 31, 2025
Solids, total suspended
0% over limit
Discharged 0.01362 kg/d against a permitted limit of 7.26399994 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4.2 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0013 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 10 mg/L (WKLY AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.15 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0017 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 60 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 2.26999998 kg/d (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.1 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.42 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 360 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.01816 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Overdue
July 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.00908 kg/d against a permitted limit of 7.26399994 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 190 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.01362 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.1 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 190 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.1 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0011 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 2.26999998 kg/d (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0011 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 10 mg/L (WKLY AVG)
DMR, Limited - Overdue
May 31, 2025
Solids, total suspended
12% over limit
Discharged 16.77 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Coliform, fecal general
50% over limit
Discharged 600 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 17, 2026 (4 hours ago)