MOUNT CARMEL STP

NPDES ID: TN0062057

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: 4 effluent violations.

Violations

April 30, 2026

Solids, total suspended

118% over limit

Discharged 87 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

287% over limit

Discharged 174 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

69% over limit

Discharged 76 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

7% over limit

Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

BOD, 5-day, 20 deg. C

87% over limit

Discharged 84 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

43% over limit

Discharged 57 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

E. coli

155% over limit

Discharged 1046 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

57% over limit

Discharged 47 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

20% over limit

Discharged 36 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

55% over limit

Discharged 62 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

7% over limit

Discharged 84 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

136% over limit

Discharged 106 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, settleable

2900% over limit

Discharged 0.03 mg/L against a permitted limit of 0.001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Solids, total suspended

208% over limit

Discharged 123 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

15% over limit

Discharged 82.17399931 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

73% over limit

Discharged 74 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

92% over limit

Discharged -15 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

133% over limit

Discharged 70 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

660% over limit

Discharged 342 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

228% over limit

Discharged 131 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

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

Solids, suspended percent removal

20% over limit

Discharged 82 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

26% over limit

Discharged 90.34599924 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

684% over limit

Discharged 353 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

102% over limit

Discharged -21 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

August 31, 2025

Solids, total suspended

4% over limit

Discharged 47 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2025

BOD, 5-day, 20 deg. C

11% over limit

Discharged 50 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

25% over limit

Discharged 50 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

April 30, 2025

BOD, 5-day, 20 deg. C

77% over limit

Discharged 53 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

105% over limit

Discharged -23 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

Solids, settleable

150% over limit

Discharged 0.0025 mg/L against a permitted limit of 0.001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

141% over limit

Discharged 172.51999855 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

170% over limit

Discharged 108 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

575% over limit

Discharged 270 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

127% over limit

Discharged 68 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

216% over limit

Discharged 142 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

1278% over limit

Discharged 620 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2025

BOD, 5-day, 20 deg. C

9% over limit

Discharged 49 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2025

BOD, 5-day, 20 deg. C

33% over limit

Discharged 40 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

69% over limit

Discharged 76 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

38% over limit

Discharged 55 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

198% over limit

Discharged 134 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

30% over limit

Discharged 52 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, settleable

500% over limit

Discharged 0.006 mg/L against a permitted limit of 0.001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

84% over limit

Discharged 55.34 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

44% over limit

Discharged 103.35763913 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

1333% over limit

Discharged 645 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

E. coli

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

904% over limit

Discharged 401.7 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

156% over limit

Discharged 102.3 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

283% over limit

Discharged 172.2 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

164% over limit

Discharged 60.4 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

397% over limit

Discharged 149.02 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

166% over limit

Discharged -59.7 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

October 31, 2024

BOD, 5-day, 20 deg. C

167% over limit

Discharged 106.6 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

46% over limit

Discharged 104.77865912 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

E. coli

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

558% over limit

Discharged 263.1 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

17% over limit

Discharged 82.4 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

1233% over limit

Discharged 600 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

192% over limit

Discharged 87.62 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

315% over limit

Discharged 186.6 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

50% over limit

Discharged 10.1 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

20% over limit

Discharged 28.1 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

136% over limit

Discharged 70.76 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

11% over limit

Discharged 5.34 mg/L against a permitted limit of 6 mg/L (INST MIN)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

47% over limit

Discharged 78 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

95% over limit

Discharged 140.14525882 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, settleable

150% over limit

Discharged 0.0025 mg/L against a permitted limit of 0.001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

SSO, Wet Weather

Limit violation

Discharged 0.0658 occur/d against a permitted limit of 0 occur/d (MO TOTAL)

DMR, Limited - Numeric Violation

E. coli

219% over limit

Discharged 402.38 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

161% over limit

Discharged 187.34309843 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

192% over limit

Discharged 116.7 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

14% over limit

Discharged 31.6 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

607% over limit

Discharged 282.8 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

99% over limit

Discharged -19.2 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

316% over limit

Discharged 124.75 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

259% over limit

Discharged 161.43 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

139% over limit

Discharged 71.72 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

571% over limit

Discharged 302 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

29% over limit

Discharged 80.7 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

95% over limit

Discharged 0.28 mg/L against a permitted limit of 6 mg/L (INST MIN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

63% over limit

Discharged 87.93979926 kg/d against a permitted limit of 54.02599955 kg/d (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

197% over limit

Discharged 55.5 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

16% over limit

Discharged 62.87445947 kg/d against a permitted limit of 54.02599955 kg/d (MO AVG)

DMR, Limited - Numeric Violation

E. coli

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2024

E. coli

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)

DMR, Limited - Numeric Violation

Solids, total suspended

638% over limit

Discharged 332 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

80% over limit

Discharged 97.51011918 kg/d against a permitted limit of 54.02599955 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

71% over limit

Discharged 122.89779897 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

238% over limit

Discharged 101.42 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

70% over limit

Discharged -1.7 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

521% over limit

Discharged 248.2 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

90% over limit

Discharged -13.7 % against a permitted limit of 40 % (DAILY MN)

DMR, Limited - Numeric Violation

E. coli

Limit violation

Discharged 2419.6 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

568% over limit

Discharged 300.5 mg/L against a permitted limit of 45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

97% over limit

Discharged 0.2 mg/L against a permitted limit of 6 mg/L (INST MIN)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

125% over limit

Discharged 66.2 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

531% over limit

Discharged 189.19 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, settleable

220% over limit

Discharged 0.0032 mg/L against a permitted limit of 0.001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

272% over limit

Discharged 44.2 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

476% over limit

Discharged 230.2 mg/L against a permitted limit of 40 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

115% over limit

Discharged 154.3599987 kg/d against a permitted limit of 71.7319994 kg/d (WKLY AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (5 days ago)