IOWA COUNTY SANITARY LANDFILL
NPDES ID: IA0072206
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: 10 effluent violations.
Violations
June 30, 2026
BOD, 5-day, 20 deg. C
99% over limit
Discharged 73.75 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
3% over limit
Discharged 99 mg/L against a permitted limit of 96 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
BOD, 5-day, 20 deg. C
39% over limit
Discharged 194 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
258% over limit
Discharged 132.5 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
169% over limit
Discharged 258 mg/L against a permitted limit of 96 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
15% over limit
Discharged 4.17995209 kg/d against a permitted limit of 3.64107997 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
59% over limit
Discharged 7.786 mg/L against a permitted limit of 4.9 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
116% over limit
Discharged 21.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
33% over limit
Discharged 186 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
380% over limit
Discharged 177.5 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, 5-day, 20 deg. C
57% over limit
Discharged 58 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, 5-day, 20 deg. C
70% over limit
Discharged 63 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
August 31, 2025
BOD, 5-day, 20 deg. C
51% over limit
Discharged 211 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
43% over limit
Discharged 5.1929927 kg/d against a permitted limit of 3.64107997 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
76% over limit
Discharged 169 mg/L against a permitted limit of 96 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
470% over limit
Discharged 211 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, 5-day, 20 deg. C
332% over limit
Discharged 160 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
7% over limit
Discharged 103 mg/L against a permitted limit of 96 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
14% over limit
Discharged 160 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Iron, total [as Fe]
40% over limit
Discharged 1.4 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
65% over limit
Discharged 158 mg/L against a permitted limit of 96 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
195% over limit
Discharged 109 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
40% over limit
Discharged 1.4 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
BOD, 5-day, 20 deg. C
4% over limit
Discharged 145 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
20% over limit
Discharged 115 mg/L against a permitted limit of 96 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
18% over limit
Discharged 1.18 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
239% over limit
Discharged 125.3333 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
18% over limit
Discharged 1.18 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
6% over limit
Discharged 3.84618446 kg/d against a permitted limit of 3.64107997 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, 5-day, 20 deg. C
19% over limit
Discharged 44 mg/L against a permitted limit of 37 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 17, 2026 (5 hours ago)