Clean Water Act discharge permit · NPDES INRA16433

MERIDIAN WOODS EXTENSION, Valparaiso, IN: NPDES INRA16433 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MERIDIAN WOODS EXTENSION, held by Martin Sonnenberg, holds NPDES permit INRA16433. EPA’s file records it issued July 16, 2025 and expiring July 15, 2030.

MERIDIAN WOODS EXTENSION, Valparaiso, Indiana: Coverage under a general permit INRA16433, held by Martin Sonnenberg; Construction stormwater; Effective; issued July 16, 2025, term to July 15, 2030, by State.

Indiana holds 7,813 Construction stormwater coverages of this permit type in EPA’s file; 5,517 were issued before INRA16433.

Coverages issued nearest INRA16433

July 16, 2025: PROJECT ZODIAC - TILLMAN ROAD, Fort Wayne, INRA16428, held by Marc Stern
July 16, 2025: CENTRE PLACE SECTION 2, Sheridan, INRA16429, held by Jeff White
July 16, 2025: NORTHWEST FORTVILLE SECTION 5, Fortville, INRA16430, held by Doug Wagner
July 16, 2025: ORTHO INDY, Brownsburg, INRA16431, held by John Dotlich
July 16, 2025: PROJECT 4610, Jeffersonville, INRA16432, held by Micah McRae
July 16, 2025: ASHBURY FIELDS SUBDIVISION, New Castle, INRA16434, held by Breck Terheide
July 17, 2025: CLOVER SUBDIVISION, Indianapolis, INRA16342, held by Sodhi Narinder Singh
July 17, 2025: KROGER J875 WABASH, Wabash, INRA16436, held by Erin Brunson
July 17, 2025: WHOLESALE WATER SUPPLY PHASE I PACKAGE D, (Unknown City), INRA16437, held by Ryan Ottinger
July 17, 2025: GREENWOOD VILLAGE SOUTH - PHASE 1, Greenwood, INRA16438, held by Jordan Morrow

MERIDIAN WOODS EXTENSION among its neighbors

EPA’s permit file holds 21 discharge permits in the Clark Ditch-Salt Creek subwatershed (HUC 040400010302), INRA16433 among them.

Other permits in the Clark Ditch-Salt Creek subwatershed (HUC 040400010302)

EVAN AND CHRISTINA COSTAS RESIDENTIAL HOME, Valparaiso: INRA09791, minor permit, permit term to May 24, 2027
G.E. MARSHALL YARD EXPANSION, Valparaiso: INRA16938, minor permit, permit term to October 5, 2030
HATCH LAKE, Valparaiso: INRA09331, minor permit, permit term to March 16, 2027
HOP N STOP MINI MART, Valparaiso: ING080200, minor permit, discharging to LAKE LOUISE, permit term to March 31, 2009
IN DOT DES. 1701335 US 30 SMALL STRUCTURE REPLACEMENT, Valparaiso: INRA18335, minor permit, permit term to June 17, 2031
LOT 1 GRATEFUL FIELDS, Valparaiso: INRA14539, minor permit, permit term to August 27, 2029
LOT 1 TRAILBEND FARMS, Valparaiso: INRA13016, minor permit, permit term to December 19, 2028
METRO AUTO PARTS, Valparaiso: INRM00293, minor permit, discharging to Beauty Creek, permit term to March 24, 2023
NATURE WORKS CONSERVANCY DISTRICT, Valparaiso: IN0058475, minor permit, discharging to UNNAMED TRIB TO CLARK DITCH, permit term to July 31, 2022
O'BRIEN ESTATES, Valparaiso: INRA14881, minor permit, permit term to October 23, 2029

What the register holds for MERIDIAN WOODS EXTENSION: its NPDES ID, its permit type and status, its dates, its address in Valparaiso, Indiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRA16433.

Identity

Facility as filed	MERIDIAN WOODS EXTENSION
Permittee as filed	Martin Sonnenberg
NPDES ID	INRA16433
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	July 16, 2025
Expiration date	July 15, 2030
Issuing agency	State
Address	Valparaiso, IN 46385
Subwatershed	Clark Ditch-Salt Creek (HUC 040400010302)

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 INRA16433.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES INRA16433.

Inspections

EPA’s inspection file holds no inspection for NPDES INRA16433.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES INRA16433.

Watch this permit

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Nearby on the register

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

The MERIDIAN WOODS EXTENSION storm water construction permit (NPDES ID INRA16433) is one of 82 such permits on the EPA's NPDES register in Valparaiso, Indiana, this one included, and 74.4% of those 82 permits were issued earlier than this one. Its subwatershed, Clark Ditch-Salt Creek, holds 21 NPDES permits in total, and none of the 82 Valparaiso storm water construction permits has a violation on file, at 0.0%.