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Clean Water Act discharge permit · NPDES MTR111622

SANDSTONE CREEK BRIDGE, Baker, MT: NPDES MTR111622 discharge permit, effluent exceedances, inspections, penalties

SANDSTONE CREEK BRIDGE, held by CENTURY COMPANIES INC, holds NPDES permit MTR111622, which discharges to Sandstone Creek. EPA’s file records it issued February 4, 2026 and expiring December 31, 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 SANDSTONE CREEK BRIDGE: its NPDES ID, its permit type and status, its dates, its address in Baker, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111622.

Identity

Facility as filedSANDSTONE CREEK BRIDGE
Permittee as filedCENTURY COMPANIES INC
NPDES IDMTR111622
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 4, 2026
Expiration dateDecember 31, 2027
AddressBaker, MT 59313
Receiving waterSANDSTONE CREEK
Receiving water impaired303(D) Listed
SubwatershedHeadwaters Sandstone Creek (HUC 101000050501)

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 MTR111622.

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 MTR111622.

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, MTR111622.

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  • 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 MTR111622 there.

Nearby on the register

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

What this page shows

The SANDSTONE CREEK BRIDGE permit is one of 39 storm water construction permits in Fallon County, and 0.0% of those 39 permits have a violation on file. The permit also falls within the Headwaters Sandstone Creek subwatershed, which holds 21 NPDES permits including this one. Of all 37 storm water construction permits in Fallon County, 97.3% were issued earlier than this one.