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Clean Water Act discharge permit · NPDES COR428186

CHAUTAUQUA PARK, Boulder, CO: NPDES COR428186 discharge permit, effluent exceedances, inspections, penalties

CHAUTAUQUA PARK, held by ALLO Communications LLC, holds NPDES permit COR428186. EPA’s file records it issued July 21, 2025 and expiring March 31, 2029. 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 CHAUTAUQUA PARK: its NPDES ID, its permit type and status, its dates, its address in Boulder, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR428186.

Identity

Facility as filedCHAUTAUQUA PARK
Permittee as filedALLO Communications LLC
NPDES IDCOR428186
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 21, 2025
Expiration dateMarch 31, 2029
AddressBoulder, CO 80302
SubwatershedCity of Boulder-Boulder Creek (HUC 101900050406)

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 COR428186.

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 COR428186.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, COR428186.

Start the watch

How often?
  • 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 COR428186 there.

Nearby on the register

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