CATTAIL CREEK COUNTRY CLUB
NPDES ID: MD3863N19
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 4 effluent violations.
Violations
June 30, 2026
Nitrogen, total [as N]
14% over limit
Discharged 11.4 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
42% over limit
Discharged 0.001978 MGD against a permitted limit of 0.001395 MGD (MO MAX)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, total [as N]
28% over limit
Discharged 12.75 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, total [as N]
37% over limit
Discharged 13.7 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, total [as N]
19% over limit
Discharged 11.9 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
December 31, 2025
Chloride [as Cl]
196% over limit
Discharged 740 mg/L against a permitted limit of 250 mg/L (ANNL MAX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
88% over limit
Discharged 0.00047 MGD against a permitted limit of 0.00025 MGD (MO MAX)
DMR, Limited - Numeric Violation
November 30, 2025
Flow, in conduit or thru treatment plant
88% over limit
Discharged 0.00047 MGD against a permitted limit of 0.00025 MGD (MO MAX)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
13% over limit
Discharged 11.3 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, total [as N]
49% over limit
Discharged 14.9 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total suspended
80% over limit
Discharged 54 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
127% over limit
Discharged 68 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
August 31, 2025
Flow, in conduit or thru treatment plant
23% over limit
Discharged 0.001717 MGD against a permitted limit of 0.001395 MGD (MO MAX)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
109% over limit
Discharged 20.9 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
July 31, 2025
Flow, in conduit or thru treatment plant
32% over limit
Discharged 0.001836 MGD against a permitted limit of 0.001395 MGD (MO MAX)
DMR, Limited - Numeric Violation
June 30, 2025
Flow, in conduit or thru treatment plant
6% over limit
Discharged 0.001474 MGD against a permitted limit of 0.001395 MGD (MO MAX)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
22% over limit
Discharged 12.2 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, total [as N]
56% over limit
Discharged 15.6 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, total [as N]
29% over limit
Discharged 12.9 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, total [as N]
20% over limit
Discharged 12 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, total [as N]
30% over limit
Discharged 13 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, total [as N]
75% over limit
Discharged 17.5 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, total [as N]
181% over limit
Discharged 28.1 mg/L against a permitted limit of 10 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
7% over limit
Discharged 0.001486 MGD against a permitted limit of 0.001395 MGD (MO MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (1 hour ago)