Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES SCR10ZE39

DIXON SUBDIVISION, Sumter, SC: NPDES SCR10ZE39 discharge permit, effluent exceedances, inspections, penalties

DIXON SUBDIVISION, held by Richard Knowlton, holds NPDES permit SCR10ZE39. EPA’s file records it issued November 16, 2023 and expiring November 15, 2028. 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 DIXON SUBDIVISION: its NPDES ID, its permit type and status, its dates, its address in Sumter, South Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SCR10ZE39.

Identity

Facility as filedDIXON SUBDIVISION
Permittee as filedRichard Knowlton
NPDES IDSCR10ZE39
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 16, 2023
Expiration dateNovember 15, 2028
Issuing agencyState
AddressSumter, SC 29153
SubwatershedGreen Swamp (HUC 030402050301)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES SCR10ZE39.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES SCR10ZE39.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, SCR10ZE39.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 SCR10ZE39 there.

Nearby on the register

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

What this page shows

DIXION SUBDIVISION is one of 94 storm water construction permits on EPA's NPDES register in Sumter County, and 45.7% of those permits have an earlier issue date than this one. The permit is part of the 68 NPDES permits in the Green Swamp subwatershed, and it has no pollutants under a numeric limit or with an effluent exceedance.