Clean Water Act discharge permit · NPDES SCR10ZAGP

WATSON HILL PHASE 3, North Charleston, SC: NPDES SCR10ZAGP discharge permit, effluent exceedances, inspections, penalties

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

WATSON HILL PHASE 3, held by Richard Loudin, Ashton Charleston Residential LLC, holds NPDES permit SCR10ZAGP. EPA’s file records it issued May 17, 2022 and expiring May 16, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for WATSON HILL PHASE 3: its NPDES ID, its permit type and status, its dates, its address in North Charleston, South Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SCR10ZAGP.

Identity

Facility as filed	WATSON HILL PHASE 3
Permittee as filed	Richard Loudin, Ashton Charleston Residential LLC
NPDES ID	SCR10ZAGP
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	May 17, 2022
Expiration date	May 16, 2027
Issuing agency	State
Address	North Charleston, SC 29485
Subwatershed	Middle Ashley River (HUC 030502010604)

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 SCR10ZAGP.

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 SCR10ZAGP.

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, SCR10ZAGP.

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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 SCR10ZAGP there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

WATSON HILL PHASE 3, the storm water construction coverage in North Charleston, Dorchester County, South Carolina, is one of 399 such permits in its county on EPA's NPDES register, and 0.0% of those 399 permits have a violation on file. Its issue date of May 17, 2022 is earlier than that of 13.8% of all 399 storm water construction permits in Dorchester County, this one included. The permit sits among 105 NPDES permits in the Middle Ashley River subwatershed, this one included, and it has no pollutants with a numeric limit and no pollutants with an effluent exceedance.