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Clean Water Act discharge permit · NPDES AKR10GM75

HSIP GLENN HWY MEDIAN BARRIER MP 30-34, Palmer, AK: NPDES AKR10GM75 discharge permit, effluent exceedances, inspections, penalties

HSIP GLENN HWY MEDIAN BARRIER MP 30-34, held by Granite Construction Company, holds NPDES permit AKR10GM75, which discharges to Knik River; Matanuska River; Rabbit Slough. EPA’s file records it issued June 23, 2021 and expiring January 31, 2026. 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 HSIP GLENN HWY MEDIAN BARRIER MP 30-34: its NPDES ID, its permit type and status, its dates, its address in Palmer, Alaska, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AKR10GM75.

Identity

Facility as filedHSIP GLENN HWY MEDIAN BARRIER MP 30-34
Permittee as filedGranite Construction Company
NPDES IDAKR10GM75
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 23, 2021
Expiration dateJanuary 31, 2026
Issuing agencyADEC
AddressPalmer, AK 99645
Receiving waterKnik River; Matanuska River; Rabbit Slough
SubwatershedOutlet Matanuska River (HUC 190204020709)

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 AKR10GM75.

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 AKR10GM75.

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, AKR10GM75.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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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 AKR10GM75 there.

Nearby on the register

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

What this page shows

The permit HSIP GLENN HWY MEDIAN BARRIER MP 30-34 sits among 196 storm water construction permits in Matanuska-Susitna Borough, and 0.0% of those permits carry a violation on file. Only 6.6% of those 196 storm water construction permits in the borough were issued before this one, which was issued on June 23, 2021. The permit is one of 14 NPDES permits in the Outlet Matanuska River subwatershed (HUC 190204020709), and it has 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.