Clean Water Act discharge permit · NPDES MTR10I05Q

LIONHART STORAGE, LLC, Polson, MT: NPDES MTR10I05Q discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

LIONHART STORAGE, LLC, held by Dream Island, LLC, holds NPDES permit MTR10I05Q. EPA’s file records it issued April 11, 2025 and expiring February 16, 2027.

LIONHART STORAGE, LLC, Polson, Montana: Coverage under a general permit MTR10I05Q, held by Dream Island, LLC; Construction stormwater; Effective; issued April 11, 2025, term to February 16, 2027, by U.S. EPA.

June 25, 2026: Evaluation (E).

Montana holds 2,848 Construction stormwater coverages of this permit type in EPA’s file; 2,144 were issued before MTR10I05Q.

Coverages issued nearest MTR10I05Q

April 2, 2025: MILK RIVER SUBDIVISION LINE SEGMENT 0035 MP 402.3 TO MP 402.7, Zurich, MTR111094, held by BNSF RAILWAY COMPANY
April 3, 2025: OLD APOSTOLIC CHURCH OF LAKESIDE, Kalispell, MTR111061, held by Black Diamond Landworks LLC
April 3, 2025: SUGARLOAF LOOP OFFICE AND SHOP, Butte, MTR111210, held by Mountain West Holding Company
April 7, 2025: SIDNEY SUGARS GRADING CLOSURE, Sidney, MTR111207, held by Hanson Independent
April 8, 2025: MONTANA STATE PRISON WATERLINE REPLACEMENT 2025, Deer Lodge, MTR111236, held by MJD Contracting, LLC
April 14, 2025: CITY OF BILLINGS - WEST END RESERVOIR - NORTH POND, Billings, MTR111093, held by DICK ANDERSON CONSTRUCTION, INC. - MAIN
April 14, 2025: WEEDING STAGING AREA, Jordan, MTR111224, held by KH Civil Contractors, Inc.
April 14, 2025: SOUTH UNIVERSITY DISTRICT PHASE 3 BLOCK 4 OFFSITE, Bozeman, MTR111232, held by RTR Holdings II LLC
April 15, 2025: NELSON MEADOWS LOT 17, Bozeman, MTR111242, held by Hyalite Engineers PLLC
April 16, 2025: AFFINITY APARTMENTS AT KALISPELL, Kalispell, MTR111229, held by CUTTING EDGE EXCAVATION LLC

LIONHART STORAGE, LLC among its neighbors

EPA’s permit file holds 15 discharge permits in the Polson subwatershed (HUC 170102080404), MTR10I05Q among them.

Other permits in the Polson subwatershed (HUC 170102080404)

CITY OF POLSON 17TH ST E STREET IMPROVEMENTS, Polson: MTR10I04E, minor permit, permit term to February 16, 2027
CITY OF POLSON STREET IMPROVEMENTS, Polson: MTR10I04O, not classed
CITY OF POLSON WWTP, Polson: MT0020559, minor permit, discharging to FLATHEAD RIVER, permit term to December 31, 2017
KELLER TRANSPORT, INC., Polson: MT0030805, minor permit, permit term to June 30, 2023
LAKE COUNTY LANDFILL, Polson: MTR106683, not classed
LAKE COUNTY LANDFILL, Polson: MTR10I063, minor permit, permit term to February 16, 2027
LOWEL TYLER VET CLINIC, Polson: MTR10I03C, not classed
PARADISE COVE RV CONDOMINIUM COMMUNITY, Polson: MTX000183, not classed, discharging to FLATHEAD LAKE & HELL ROARING CREEK
POLSON GARDENS, Polson: MTR10I05V, minor permit, permit term to February 16, 2027
POLSON SEWER COLLECTION SYSTEM IMPROVEMENTS, Polson: MTG071058, not classed, discharging to FLATHEAD LAKE

Identity

Facility as filed	LIONHART STORAGE, LLC
Permittee as filed	Dream Island, LLC
NPDES ID	MTR10I05Q
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	April 11, 2025
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Polson, MT 59860
Subwatershed	Polson (HUC 170102080404)

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 MTR10I05Q.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR10I05Q.

Inspections

Date	What EPA recorded	Agency
June 25, 2026	Evaluation	E

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 MTR10I05Q.

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Nearby on the register

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

This public-records page covers Clean Water Act construction stormwater permit NPDES MTR10I05Q, held by LIONHART STORAGE, LLC in Polson, MT, with Dream Island, LLC listed as permittee. The register shows the permit as Effective, issued April 11, 2025 and expiring February 16, 2027, with zero pollutants under a numeric limit and zero pollutants with an effluent exceedance. The page lists no effluent or single-event violations for this permit, and it notes that its status reflects EPA's permit file as loaded on September 15, 2026.