NEIGHBORS OF WALNUT GROVE WEST, LLC (WWTP)
NPDES ID: KS0092061
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
E. coli
399213% over limit
Discharged 1046200 MPN/100mL against a permitted limit of 262 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
647% over limit
Discharged 44.1 mg/L against a permitted limit of 5.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
33% over limit
Discharged 39.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
385% over limit
Discharged 44.1 mg/L against a permitted limit of 9.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
102% over limit
Discharged 26.5 mg/L against a permitted limit of 13.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
362% over limit
Discharged 10900 MPN/100mL against a permitted limit of 2358 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
208% over limit
Discharged 26.5 mg/L against a permitted limit of 8.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
241% over limit
Discharged 34.1 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
160% over limit
Discharged 34.1 mg/L against a permitted limit of 13.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
58% over limit
Discharged 15.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
21% over limit
Discharged 15.8 mg/L against a permitted limit of 13.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
E. coli
60% over limit
Discharged 419.999 MPN/100mL against a permitted limit of 262 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
June 30, 2025
BOD, 5-day, 20 deg. C
6% over limit
Discharged 31.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
30% over limit
Discharged 39 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
262114% over limit
Discharged 687000 MPN/100mL against a permitted limit of 262 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
10% over limit
Discharged 32.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
E. coli
9696% over limit
Discharged 231000 MPN/100mL against a permitted limit of 2358 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli
1152% over limit
Discharged 3280 MPN/100mL against a permitted limit of 262 MPN/100mL (MO GEO)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)