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Clean Water Act discharge permit · NPDES CAR10I046

GRATON RESORT & CASINO HOTEL EXPANSION, Rohnert Park, CA: NPDES CAR10I046 discharge permit, effluent exceedances, inspections, penalties

GRATON RESORT & CASINO HOTEL EXPANSION, held by The Penta Building Group, holds NPDES permit CAR10I046. EPA’s file records it issued June 12, 2025 and expiring February 16, 2027.

GRATON RESORT & CASINO HOTEL EXPANSION, Rohnert Park, California: Coverage under a general permit CAR10I046, held by The Penta Building Group; Construction stormwater; Effective; issued June 12, 2025, term to February 16, 2027, by U.S. EPA.

California holds 194 Construction stormwater coverages of this permit type in EPA’s file; 45 were issued before CAR10I046.

Coverages issued nearest CAR10I046

GRATON RESORT & CASINO HOTEL EXPANSION among its neighbors

EPA’s permit file holds 10 discharge permits in the Upper Laguna De Santa Rosa subwatershed (HUC 180101100701), CAR10I046 among them.

Other permits in the Upper Laguna De Santa Rosa subwatershed (HUC 180101100701)

What the register holds for GRATON RESORT & CASINO HOTEL EXPANSION: its NPDES ID, its permit type and status, its dates, its address in Rohnert Park, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAR10I046.

Identity

Facility as filedGRATON RESORT & CASINO HOTEL EXPANSION
Permittee as filedThe Penta Building Group
NPDES IDCAR10I046
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 12, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressRohnert Park, CA 94928
Receiving water impaired303(D) Listed
SubwatershedUpper Laguna De Santa Rosa (HUC 180101100701)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CAR10I046.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES CAR10I046.

Inspections

EPA’s inspection file holds no inspection for NPDES CAR10I046.

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 CAR10I046.

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, CAR10I046.

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Nearby on the register

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

What this page shows

Rohnert Park has 1 storm water construction permit on file, which is for GRATON RESORT & CASINO HOTEL EXPANSION. The Upper Laguna De Santa Rosa subwatershed (HUC 180101100701) includes 10 NPDES permits, this permit among them. Issued June 12, 2025, the general permit coverage expires February 16, 2027 and is listed as Effective.