Clean Water Act discharge permit · NPDES SCR10Z9MY

21149 FLORENCE CCW, Florence, SC: NPDES SCR10Z9MY discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

21149 FLORENCE CCW, held by William McCall, Florence CCW LLC, holds NPDES permit SCR10Z9MY. EPA’s file records it issued January 10, 2022 and expiring January 9, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for 21149 FLORENCE CCW: its NPDES ID, its permit type and status, its dates, its address in Florence, South Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SCR10Z9MY.

Identity

Facility as filed	21149 FLORENCE CCW
Permittee as filed	William McCall, Florence CCW LLC
NPDES ID	SCR10Z9MY
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	January 10, 2022
Expiration date	January 9, 2027
Issuing agency	State
Address	Florence, SC 29501
Subwatershed	Upper Jeffries Creek (HUC 030402010902)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES SCR10Z9MY.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES SCR10Z9MY.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID SCR10Z9MY there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

The 21149 FLORENCE CCW storm water construction permit, held by William McCall and Florence CCW LLC, sits among 208 storm water construction permits in Florence County, and 4.3% of those carry a violation on file. It also falls within the Upper Jeffries Creek subwatershed, which contains 57 NPDES permits including this one, and the permit has no pollutants under a numeric limit or with an effluent exceedance on record.