SEWERAGE DISTRICT #1 OF THE PARISH OF TANGIPAHOA
NPDES ID: LA0127283
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Coliform, fecal general
505% over limit
Discharged 1210 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
130% over limit
Discharged 10.43291991 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
505% over limit
Discharged 2419 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
240% over limit
Discharged 51 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
315% over limit
Discharged 41.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Coliform, fecal general
1110% over limit
Discharged 2419 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
505% over limit
Discharged 2419 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
153% over limit
Discharged 38 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
147% over limit
Discharged 11.22287991 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
280% over limit
Discharged 38 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Coliform, fecal general
14% over limit
Discharged 228 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
55% over limit
Discharged 15.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
122% over limit
Discharged 886 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
20% over limit
Discharged 18 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Coliform, fecal general
505% over limit
Discharged 2419 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
35% over limit
Discharged 13.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
938% over limit
Discharged 2075 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
3% over limit
Discharged 15.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total suspended
13% over limit
Discharged 26 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
70% over limit
Discharged 25.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
36% over limit
Discharged 9.26159992 kg/d against a permitted limit of 6.80999994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
BOD, 5-day, 20 deg. C
5% over limit
Discharged 10.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
7% over limit
Discharged 16 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
46% over limit
Discharged 9.97437992 kg/d against a permitted limit of 6.80999994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
5% over limit
Discharged 10.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
140% over limit
Discharged 36 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
65% over limit
Discharged 38 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
June 30, 2025
BOD, 5-day, 20 deg. C
125% over limit
Discharged 22.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
67% over limit
Discharged 25 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
69% over limit
Discharged 7.68621994 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
80% over limit
Discharged 27 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
45% over limit
Discharged 9.86995992 kg/d against a permitted limit of 6.80999994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
22% over limit
Discharged 28 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Coliform, fecal general
505% over limit
Discharged 2419 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
73% over limit
Discharged 26 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 16 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
541% over limit
Discharged 1281 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
140% over limit
Discharged 24 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
14% over limit
Discharged 7.73161994 kg/d against a permitted limit of 6.80999994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
138% over limit
Discharged 10.79611991 kg/d against a permitted limit of 4.53999996 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Coliform, fecal general
505% over limit
Discharged 2419 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
304% over limit
Discharged 807 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
53% over limit
Discharged 23 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
77% over limit
Discharged 17.67 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, 20 deg. C
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
26% over limit
Discharged 29 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
398% over limit
Discharged 996 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
398% over limit
Discharged 1990 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
Solids, total suspended
35% over limit
Discharged 9.20257992 kg/d against a permitted limit of 6.80999994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 20 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)