Holcim (US) Inc.

NPDES permit SC0002992 · Minor NON-POTW · administratively continued, expires 2025-09-30 · EPA's file as of 2026-09-19

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This permit expired on 2025-09-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 27 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (29)

OutfallParameterStatisticLimitMonths
004Temperature, water deg. fahrenheitDAILY MX = 90 deg F all year
004Temperature, water deg. fahrenheitDAILY MX report only all year
004Temperature, water deg. fahrenheitDAILY MX report only all year
004Temperature, water deg. fahrenheitDAILY MX = 5 deg F all year
004Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
004Oxygen demand, chem. [high level] [COD]MO AVG report only all year
004Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
004pHINST MIN = 6 SU all year
004pHINST MAX = 8.5 SU all year
004Solids, total suspendedMO AVG <= 25 mg/L all year
004Solids, total suspendedDAILY MX <= 50 mg/L all year
004Oil & GreaseMO AVG = 10 mg/L all year
004Oil & GreaseDAILY MX = 15 mg/L all year
004Hardness, total [as CaCO3]MO AVG report only all year
004Hardness, total [as CaCO3]DAILY MX report only all year
004Thallium, total [as Tl]MO AVG report only all year
004Thallium, total [as Tl]DAILY MX report only all year
004Selenium, total [as Se]MO AVG report only all year
004Selenium, total [as Se]DAILY MN report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualMO AVG = 11 ug/L all year
004Chlorine, total residualDAILY MX = 19 ug/L all year
02ABOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
02ABOD, 5-day, 20 deg. CDAILY MX <= 60 mg/L all year
02AFlow, in conduit or thru treatment plantMO AVG report only all year
02AFlow, in conduit or thru treatment plantDAILY MX report only all year
02AE. coli30DAVGEO = 126 #/100mL all year
02AE. coliDAILY MX = 349 #/100mL all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states