CASA CASTANER INC
NPDES ID: PR0024333
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 4 effluent violations.
Violations
May 31, 2026
BOD, 5-day, 20 deg. C
161% over limit
Discharged 78.3 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
17% over limit
Discharged 0.007 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
167% over limit
Discharged 0.004 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total [as Cu]
100% over limit
Discharged 0.012 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
45% over limit
Discharged 0.01302 MGD against a permitted limit of 0.009 MGD (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Chlorine, total residual
718% over limit
Discharged 0.09 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
67% over limit
Discharged 0.01 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
167% over limit
Discharged 0.004 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
61% over limit
Discharged 0.01448 MGD against a permitted limit of 0.009 MGD (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total [as Cu]
100% over limit
Discharged 0.012 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1082% over limit
Discharged 0.13000001 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
33% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Lead, total [as Pb]
33% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
33% over limit
Discharged 0.008 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total [as Cu]
17% over limit
Discharged 0.007 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
33% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
173% over limit
Discharged 0.03 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
133% over limit
Discharged 0.014 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
33% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Copper, total [as Cu]
133% over limit
Discharged 0.014 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
8% over limit
Discharged 0.10800001 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
67% over limit
Discharged 0.01 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Lead, total [as Pb]
33% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
445% over limit
Discharged 0.06 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
167% over limit
Discharged 0.004 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
33% over limit
Discharged 0.008 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
300% over limit
Discharged 0.024 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total [as Cu]
450% over limit
Discharged 0.033 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Chlorine, total residual
173% over limit
Discharged 0.03 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Copper, total [as Cu]
100% over limit
Discharged 0.012 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
100% over limit
Discharged 0.003 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
60% over limit
Discharged 48 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
82% over limit
Discharged 0.02 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
122% over limit
Discharged 66.7 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
69% over limit
Discharged 76 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Enterococci
72% over limit
Discharged 223.5 MPN/100mL against a permitted limit of 130 MPN/100mL (90TH %)
DMR, Limited - Numeric Violation
November 30, 2024
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
33% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Oxygen, dissolved [DO]
14% over limit
Discharged 4.32 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Chlorine, total residual
809% over limit
Discharged 0.1 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, total [as N]
5% over limit
Discharged 136.05000646 mg/L against a permitted limit of 128.96400613 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
33% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)