LAUREL HIGHLANDS CAMPLAND STP

NPDES ID: PA0097799

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 effluent violations.

Violations

April 30, 2026

Chlorine, total residual

1300% over limit

Discharged 0.28 mg/L against a permitted limit of 0.02 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

43% over limit

Discharged 43 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

440% over limit

Discharged 37.8 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

757% over limit

Discharged 30 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

328% over limit

Discharged 214 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

336% over limit

Discharged 109 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

3% over limit

Discharged 62 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Chlorine, total residual

720% over limit

Discharged 0.41 mg/L against a permitted limit of 0.05 mg/L (INST MAX)

DMR, Limited - Numeric Violation

March 31, 2026

Chlorine, total residual

1200% over limit

Discharged 0.26 mg/L against a permitted limit of 0.02 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

434% over limit

Discharged 18.7 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

720% over limit

Discharged 0.41 mg/L against a permitted limit of 0.05 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

168% over limit

Discharged 134 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

369% over limit

Discharged 32.8 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

172% over limit

Discharged 68 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

190% over limit

Discharged 20.3 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

334% over limit

Discharged 15.2 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

10% over limit

Discharged 5.4 mg/L against a permitted limit of 6 mg/L (MINIMUM)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

82% over limit

Discharged 91 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

144% over limit

Discharged 61 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Oxygen, dissolved [DO]

12% over limit

Discharged 5.3 mg/L against a permitted limit of 6 mg/L (MINIMUM)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

192% over limit

Discharged 146 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

30% over limit

Discharged 78 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

77% over limit

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

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

489% over limit

Discharged 20.6 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

296% over limit

Discharged 99 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

281% over limit

Discharged 26.7 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

December 31, 2025

BOD, carbonaceous [5 day, 20 C]

196% over limit

Discharged 148 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

347% over limit

Discharged 31.3 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

392% over limit

Discharged 123 mg/L against a permitted limit of 25 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

Nitrogen, ammonia total [as N]

674% over limit

Discharged 27.1 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

10% over limit

Discharged 5.4 mg/L against a permitted limit of 6 mg/L (MINIMUM)

DMR, Limited - Numeric Violation

November 30, 2025

Solids, total suspended

63% over limit

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

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

794% over limit

Discharged 31.3 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

423% over limit

Discharged 36.6 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

360% over limit

Discharged 115 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

284% over limit

Discharged 192 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

8% over limit

Discharged 5.5 mg/L against a permitted limit of 6 mg/L (MINIMUM)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, total suspended

243% over limit

Discharged 103 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

447% over limit

Discharged 328 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

1070% over limit

Discharged 585 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1460% over limit

Discharged 62.4 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1815% over limit

Discharged 38.3 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

8% over limit

Discharged 5.5 mg/L against a permitted limit of 6 mg/L (MINIMUM)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

736% over limit

Discharged 209 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2025

Oxygen, dissolved [DO]

8% over limit

Discharged 5.5 mg/L against a permitted limit of 6 mg/L (MINIMUM)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

440% over limit

Discharged 270 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

135% over limit

Discharged 4.7 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

85% over limit

Discharged 7.4 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

536% over limit

Discharged 159 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

40% over limit

Discharged 42 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2025

Solids, total suspended

97% over limit

Discharged 118 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1025% over limit

Discharged 45 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

372% over limit

Discharged 118 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

180% over limit

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

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

158% over limit

Discharged 129 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1755% over limit

Discharged 37.1 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

July 31, 2025

Solids, total suspended

227% over limit

Discharged 196 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

783% over limit

Discharged 35.3 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1105% over limit

Discharged 24.1 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

223% over limit

Discharged 97 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

416% over limit

Discharged 129 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

366% over limit

Discharged 233 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

June 30, 2025

Nitrogen, ammonia total [as N]

1365% over limit

Discharged 29.3 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1005% over limit

Discharged 44.2 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

133% over limit

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

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

2208% over limit

Discharged 577 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

47% over limit

Discharged 88 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

3518% over limit

Discharged 1809 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

May 31, 2025

Nitrogen, ammonia total [as N]

1070% over limit

Discharged 23.4 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

340% over limit

Discharged 110 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1315% over limit

Discharged 56.6 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

147% over limit

Discharged 148 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

143% over limit

Discharged 73 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

234% over limit

Discharged 167 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

April 30, 2025

Nitrogen, ammonia total [as N]

700% over limit

Discharged 28 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

302% over limit

Discharged 201 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

37% over limit

Discharged 82 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

420% over limit

Discharged 130 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

394% over limit

Discharged 34.6 mg/L against a permitted limit of 7 mg/L (INST MAX)

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

March 31, 2025

Solids, total suspended

80% over limit

Discharged 108 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

986% over limit

Discharged 38 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

530% over limit

Discharged 44.1 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

268% over limit

Discharged 184 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

100% over limit

Discharged 60 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

432% over limit

Discharged 133 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total suspended

30% over limit

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

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

27% over limit

Discharged 8.9 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

180% over limit

Discharged 70 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

37% over limit

Discharged 4.8 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

58% over limit

Discharged 79 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

January 31, 2025

BOD, carbonaceous [5 day, 20 C]

42% over limit

Discharged 71 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

714% over limit

Discharged 28.5 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

156% over limit

Discharged 64 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

33% over limit

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

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

403% over limit

Discharged 35.2 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

December 31, 2024

Solids, total suspended

17% over limit

Discharged 70 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

103% over limit

Discharged 61 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

66% over limit

Discharged 83 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

140% over limit

Discharged 60 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, total suspended

183% over limit

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

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

751% over limit

Discharged 59.6 mg/L against a permitted limit of 7 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

153% over limit

Discharged 152 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1111% over limit

Discharged 42.4 mg/L against a permitted limit of 3.5 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

204% over limit

Discharged 76 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

104% over limit

Discharged 102 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

October 31, 2024

BOD, carbonaceous [5 day, 20 C]

74% over limit

Discharged 87 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

213% over limit

Discharged 94 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

173% over limit

Discharged 164 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1148% over limit

Discharged 49.9 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

176% over limit

Discharged 69 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1705% over limit

Discharged 36.1 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Nitrogen, ammonia total [as N]

1785% over limit

Discharged 37.7 mg/L against a permitted limit of 2 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

216% over limit

Discharged 79 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1000% over limit

Discharged 44 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

193% over limit

Discharged 176 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

84% over limit

Discharged 92 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

263% over limit

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

DMR, Limited - Numeric Violation

August 31, 2024

Nitrogen, ammonia total [as N]

1400% over limit

Discharged 30 mg/L against a permitted limit of 2 mg/L (MO 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, carbonaceous [5 day, 20 C]

448% over limit

Discharged 274 mg/L against a permitted limit of 50 mg/L (INST MAX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

396% over limit

Discharged 124 mg/L against a permitted limit of 25 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

60% over limit

Discharged 96 mg/L against a permitted limit of 60 mg/L (INST MAX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

835% over limit

Discharged 37.4 mg/L against a permitted limit of 4 mg/L (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)