NACHURS ALPINE SOLUTIONS LLC - ST GABRIEL SITE
NPDES ID: LA0127490
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
June 30, 2026
BOD, 5-day, 20 deg. C
70% over limit
Discharged 57.8 mg/L against a permitted limit of 34 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
51% over limit
Discharged 74 mg/L against a permitted limit of 49 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
223% over limit
Discharged 8.4300004 mg/L against a permitted limit of 2.61000012 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
4900% over limit
Discharged 20000 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
703% over limit
Discharged 8.4300004 mg/L against a permitted limit of 1.05000005 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Carbon, tot organic [TOC]
26% over limit
Discharged 63.1 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)