SHADY HILLS UTILITIES
NPDES ID: IN0043559
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
Solids, total suspended
246% over limit
Discharged 5.18013996 kg/d against a permitted limit of 1.49819999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
69% over limit
Discharged 2.07250998 kg/d against a permitted limit of 1.22579999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
69% over limit
Discharged 30.4 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
15% over limit
Discharged 1.14544199 kg/d against a permitted limit of 0.99879999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, carbonaceous [5 day, 20 C]
537% over limit
Discharged 7.80425993 kg/d against a permitted limit of 1.22579999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
444% over limit
Discharged 5.43437995 kg/d against a permitted limit of 0.99879999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
46% over limit
Discharged 0.291014 kg/d against a permitted limit of 0.19976 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
1338% over limit
Discharged 21.55137982 kg/d against a permitted limit of 1.49819999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
141% over limit
Discharged 1.97262998 kg/d against a permitted limit of 0.81719999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
92% over limit
Discharged 2.87654398 kg/d against a permitted limit of 1.49819999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
42% over limit
Discharged 1.42147399 kg/d against a permitted limit of 0.99879999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
26% over limit
Discharged 1.89227198 kg/d against a permitted limit of 1.49819999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
0% over limit
Discharged 0.072186 kg/d against a permitted limit of 1.49819999 kg/d (MX WK AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.059474 kg/d against a permitted limit of 0.99879999 kg/d (MO AVG)
DMR, Limited - Overdue
September 30, 2025
E. coli, colony forming units [CFU]
192% over limit
Discharged 687 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
3% over limit
Discharged 18.5 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, carbonaceous [5 day, 20 C]
29% over limit
Discharged 19.3 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)