AGANA SEWERAGE TREATMENT PLANT

NPDES ID: GU0020087

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

This quarter: 8 reporting violations.

Violations

March 31, 2026

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Solids, suspended percent removal

107% over limit

Discharged 69 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Copper, total recoverable

100% over limit

Discharged 0.0096 mg/L against a permitted limit of 0.0048 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

37% over limit

Discharged 41 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

210% over limit

Discharged 0.0096 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

522237% over limit

Discharged 182818 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

February 28, 2026

BOD, 5-day, 20 deg. C

173% over limit

Discharged 82 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

300% over limit

Discharged 40 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

180% over limit

Discharged 126 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

107% over limit

Discharged 69 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Enterococci

691214% over limit

Discharged 241960 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

BOD, 5-day, percent removal

220% over limit

Discharged 52 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

14% over limit

Discharged 2321.3019805 kg/d against a permitted limit of 2044.81598282 kg/d (HI WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

249% over limit

Discharged 157 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

180% over limit

Discharged 84 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

127% over limit

Discharged 66 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Enterococci

485854% over limit

Discharged 170084 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

pH

0% over limit

Discharged 6.13 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Solids, total suspended

198% over limit

Discharged 134 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

171% over limit

Discharged 0.013 mg/L against a permitted limit of 0.0048 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

253% over limit

Discharged 159 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Copper, total recoverable

319% over limit

Discharged 0.013 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

70% over limit

Discharged 51 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

93% over limit

Discharged 71 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Enterococci

664463% over limit

Discharged 232597 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Oil & grease, total recoverable

20% over limit

Discharged 18 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Oil & grease, total recoverable

10% over limit

Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

67% over limit

Discharged 50 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

3% over limit

Discharged 2109.28398228 kg/d against a permitted limit of 2044.81598282 kg/d (HI WK AV)

DMR, Limited - Numeric Violation

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

November 30, 2025

Solids, suspended percent removal

220% over limit

Discharged 52 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

30% over limit

Discharged 39 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

267% over limit

Discharged 45 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

107% over limit

Discharged 93 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Enterococci

491077% over limit

Discharged 171912 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

13% over limit

Discharged 51 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

197% over limit

Discharged 89 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 6.1 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, suspended percent removal

67% over limit

Discharged 75 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Enterococci

458140% over limit

Discharged 160384 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

4% over limit

Discharged 47 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

22% over limit

Discharged 2493.36797905 kg/d against a permitted limit of 2044.81598282 kg/d (HI WK AV)

DMR, Limited - Numeric Violation

Enterococci

232554% over limit

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

142% over limit

Discharged 109 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

240% over limit

Discharged 49 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

137% over limit

Discharged 71 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

BOD, 5-day, 20 deg. C

140% over limit

Discharged 72 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Solids, suspended percent removal

80% over limit

Discharged 73 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Copper, total recoverable

352% over limit

Discharged 0.014 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

190890% over limit

Discharged 198630 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

122% over limit

Discharged 100 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

320% over limit

Discharged 37 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Enterococci

440746% over limit

Discharged 154296 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

192% over limit

Discharged 0.014 mg/L against a permitted limit of 0.0048 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

August 31, 2025

BOD, 5-day, percent removal

287% over limit

Discharged 42 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

131% over limit

Discharged 104 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

10% over limit

Discharged 33 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

552497% over limit

Discharged 193409 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

207% over limit

Discharged 92 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

87% over limit

Discharged 72 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

July 31, 2025

Enterococci

691214% over limit

Discharged 241960 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

237% over limit

Discharged 101 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 6.16 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

22% over limit

Discharged 55 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

373% over limit

Discharged 29 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

2% over limit

Discharged 1395.59598827 kg/d against a permitted limit of 1362.90798855 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

153% over limit

Discharged 62 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

30% over limit

Discharged 39 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

162% over limit

Discharged 118 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

June 30, 2025

Solids, total suspended

73% over limit

Discharged 52 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

263% over limit

Discharged 109 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

287% over limit

Discharged 0.012 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

BOD, 5-day, percent removal

413% over limit

Discharged 23 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Copper, total recoverable

150% over limit

Discharged 0.012 mg/L against a permitted limit of 0.0048 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

238% over limit

Discharged 152 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Solids, total suspended

78% over limit

Discharged 80 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Enterococci

555740% over limit

Discharged 194544 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Solids, suspended percent removal

133% over limit

Discharged 65 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

0% over limit

Discharged 1365.17798853 kg/d against a permitted limit of 1362.90798855 kg/d (MO AVG)

DMR, Limited - Numeric Violation

May 31, 2025

Solids, suspended percent removal

313% over limit

Discharged 38 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Enterococci

555740% over limit

Discharged 194544 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

7% over limit

Discharged 1457.33998775 kg/d against a permitted limit of 1362.90798855 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

80% over limit

Discharged 54 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

227% over limit

Discharged 147 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

553% over limit

Discharged 2 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

31% over limit

Discharged 59 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

310% over limit

Discharged 123 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2025

BOD, 5-day, 20 deg. C

197% over limit

Discharged 89 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

400% over limit

Discharged 25 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

127% over limit

Discharged 102 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

333% over limit

Discharged 35 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

38% over limit

Discharged 62 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

73% over limit

Discharged 52 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

484549% over limit

Discharged 169627 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2025

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

129% over limit

Discharged 0.011 mg/L against a permitted limit of 0.0048 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

133% over limit

Discharged 105 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Enterococci

657937% over limit

Discharged 230313 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Solids, total suspended

33% over limit

Discharged 60 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

133% over limit

Discharged 65 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Copper, total recoverable

255% over limit

Discharged 0.011 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

237% over limit

Discharged 101 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

327% over limit

Discharged 36 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

37% over limit

Discharged 41 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

February 28, 2025

Solids, suspended percent removal

133% over limit

Discharged 65 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

327% over limit

Discharged 36 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

116% over limit

Discharged 97 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Solids, total suspended

20% over limit

Discharged 54 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Enterococci

555740% over limit

Discharged 194544 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

53% over limit

Discharged 46 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

183% over limit

Discharged 85 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2025

Solids, total suspended

33% over limit

Discharged 60 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Enterococci

568891% over limit

Discharged 199147 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

313% over limit

Discharged 38 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

63% over limit

Discharged 49 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

177% over limit

Discharged 83 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

133% over limit

Discharged 65 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

129% over limit

Discharged 103 mg/L against a permitted limit of 45 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

December 31, 2024

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

171% over limit

Discharged 0.013 mg/L against a permitted limit of 0.0048 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Enterococci

657937% over limit

Discharged 230313 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

319% over limit

Discharged 0.013 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2024

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Oil & grease, total recoverable

7% over limit

Discharged 16 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

471657% over limit

Discharged 165115 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

4% over limit

Discharged 101 mg/L against a permitted limit of 97 mg/L (MO AVG)

DMR, Limited - Numeric Violation

October 31, 2024

Enterococci

375166% over limit

Discharged 131343 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Zinc, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

771% over limit

Discharged 0.027 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Phosphate, ortho [as PO4]

0% over limit

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

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

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

DMR, Monitor Only - Overdue

Copper, total recoverable

463% over limit

Discharged 0.027 mg/L against a permitted limit of 0.0048 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

635866% over limit

Discharged 222588 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total recoverable

0% over limit

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

DMR, Monitor Only - Overdue

August 31, 2024

Oil & grease, total recoverable

60% over limit

Discharged 24 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

16% over limit

Discharged 113 mg/L against a permitted limit of 97 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Oil & grease, total recoverable

50% over limit

Discharged 15 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

2% over limit

Discharged 143 mg/L against a permitted limit of 140 mg/L (HI WK AV)

DMR, Limited - Numeric Violation

Enterococci

Limit violation

Discharged 241960 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

657937% over limit

Discharged 230313 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)