MANSON, CITY OF WTP
NPDES ID: IA0082651
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
May 31, 2026
Chloride [as Cl]
172% over limit
Discharged 462.74222011 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
163% over limit
Discharged 1400 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
114% over limit
Discharged 1400 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
271% over limit
Discharged 462.74222011 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Chloride [as Cl]
122% over limit
Discharged 378.14831002 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
144% over limit
Discharged 1300 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
203% over limit
Discharged 378.14831002 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
99% over limit
Discharged 1300 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Chloride [as Cl]
114% over limit
Discharged 1400 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
192% over limit
Discharged 363.97592834 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
163% over limit
Discharged 1400 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
114% over limit
Discharged 363.97592834 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Chloride [as Cl]
163% over limit
Discharged 1400 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
140% over limit
Discharged 407.76672497 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
114% over limit
Discharged 1400 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
227% over limit
Discharged 407.76672497 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Chloride [as Cl]
163% over limit
Discharged 1400 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
235% over limit
Discharged 418.62295448 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
146% over limit
Discharged 418.62295448 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
114% over limit
Discharged 1400 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Chloride [as Cl]
173% over limit
Discharged 464.1205641 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
130% over limit
Discharged 1500 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
272% over limit
Discharged 464.1205641 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
182% over limit
Discharged 1500 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Chloride [as Cl]
163% over limit
Discharged 1400 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
114% over limit
Discharged 1400 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
231% over limit
Discharged 413.26375693 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
143% over limit
Discharged 413.26375693 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Chloride [as Cl]
277% over limit
Discharged 470.10110605 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
130% over limit
Discharged 1500 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
182% over limit
Discharged 1500 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
176% over limit
Discharged 470.10110605 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Chloride [as Cl]
255% over limit
Discharged 442.84508008 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
130% over limit
Discharged 1500 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
182% over limit
Discharged 1500 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
160% over limit
Discharged 442.84508008 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Chloride [as Cl]
168% over limit
Discharged 456.40755817 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
266% over limit
Discharged 456.40755817 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
130% over limit
Discharged 1500 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
182% over limit
Discharged 1500 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Chloride [as Cl]
130% over limit
Discharged 1500 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
341% over limit
Discharged 550.40417138 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
182% over limit
Discharged 1500 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
223% over limit
Discharged 550.40417138 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Chloride [as Cl]
249% over limit
Discharged 594.37951901 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
376% over limit
Discharged 594.37951901 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
145% over limit
Discharged 1600 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
201% over limit
Discharged 1600 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Chloride [as Cl]
201% over limit
Discharged 1600 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
360% over limit
Discharged 574.78760317 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
145% over limit
Discharged 1600 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
238% over limit
Discharged 574.78760317 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Chloride [as Cl]
159% over limit
Discharged 441.26615889 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
182% over limit
Discharged 1500 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
130% over limit
Discharged 1500 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
253% over limit
Discharged 441.26615889 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Chloride [as Cl]
289% over limit
Discharged 485.64016392 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
182% over limit
Discharged 1500 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
185% over limit
Discharged 485.64016392 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
130% over limit
Discharged 1500 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Chloride [as Cl]
189% over limit
Discharged 360.85145497 kg/d against a permitted limit of 124.84999895 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
144% over limit
Discharged 1300 mg/L against a permitted limit of 532 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
99% over limit
Discharged 1300 mg/L against a permitted limit of 653 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
112% over limit
Discharged 360.85145497 kg/d against a permitted limit of 170.24999857 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)