LAKE NORTHWOODS UTILITY WWTF

NPDES ID: MO0106526

D — SNC: Discharge monitoring report not received

The facility didn't submit its required discharge monitoring report.

This quarter: 1 single-event violation, 10 reporting violations.

Violations

March 31, 2026

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

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 2.9 mg/L (MO AVG)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 45 mg/L (MO AVG)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 110 mg/L (WKLY AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 65 mg/L (WKLY AVG)

DMR, Limited - 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

December 31, 2025

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

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 2.9 mg/L (MO AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 65 mg/L (WKLY AVG)

DMR, Limited - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AV MN)

DMR, Monitor Only - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)

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

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 1030 MPN/100mL (DAILY MX)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.009 mg/L (MO AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)

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 (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 110 mg/L (WKLY AVG)

DMR, Limited - Overdue

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.018 mg/L (DAILY MX)

DMR, Limited - Overdue

September 30, 2025

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.009 mg/L (MO AVG)

DMR, Limited - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AV MN)

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

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 110 mg/L (WKLY AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 1030 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 65 mg/L (WKLY AVG)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 1.4 mg/L (MO AVG)

DMR, Limited - Overdue

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 45 mg/L (MO AVG)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.018 mg/L (DAILY MX)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 3.6 mg/L (DAILY MX)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

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

June 30, 2025

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 110 mg/L (WKLY AVG)

DMR, Limited - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AV MN)

DMR, Monitor Only - Overdue

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 1030 MPN/100mL (DAILY MX)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)

DMR, Monitor Only - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.009 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 3.6 mg/L (DAILY MX)

DMR, Limited - 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

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

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.018 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 65 mg/L (WKLY AVG)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 45 mg/L (MO AVG)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 1.4 mg/L (MO AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

March 31, 2025

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 45 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 110 mg/L (WKLY AVG)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 2.9 mg/L (MO AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 70 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 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 7.5 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 65 mg/L (WKLY AVG)

DMR, Limited - 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

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

December 31, 2024

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AV MN)

DMR, Monitor Only - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.009 mg/L (MO AVG)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 2.9 mg/L (MO AVG)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.018 mg/L (DAILY MX)

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

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 110 mg/L (WKLY AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Overdue

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 1030 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 45 mg/L (MO AVG)

DMR, Limited - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 65 mg/L (WKLY AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)

DMR, Monitor Only - Overdue

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - 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

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)

DMR, Limited - Overdue

September 30, 2024

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AV MN)

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 (MO AVG)

DMR, Limited - Overdue

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 1030 MPN/100mL (DAILY MX)

DMR, Limited - 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

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.008 mg/L (MO AVG)

DMR, Limited - Overdue

Oxygen, dissolved [DO]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)

DMR, Monitor Only - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 3.6 mg/L (DAILY MX)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

E. coli

0% over limit

Discharged 0 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

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

BOD, 5-day, 20 deg. C

0% over limit

Discharged 0 mg/L against a permitted limit of 65 mg/L (WKLY AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 110 mg/L (WKLY AVG)

DMR, Limited - Overdue

Chlorine, total residual

0% over limit

Discharged 0 mg/L against a permitted limit of 0.017 mg/L (DAILY MX)

DMR, Limited - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 1.4 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Overdue

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)