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Clean Water Act discharge permit · NPDES COR423427

CIELO VISTA RANCH, San Luis, CO: NPDES COR423427 discharge permit, effluent exceedances, inspections, penalties

CIELO VISTA RANCH, held by Cielo Vista Ranch I LLC and Cielo Vista Ranch II LLC, holds NPDES permit COR423427. EPA’s file records it issued April 12, 2024 and expiring March 31, 2029.

CIELO VISTA RANCH, San Luis, Colorado: Coverage under a general permit COR423427, held by Cielo Vista Ranch I LLC and Cielo Vista Ranch II LLC; Effective; issued April 12, 2024, term to March 31, 2029.

  • October 15, 2024: Failure to submit required application or NOI regarding construction stormwater discharges (ST6).
  • October 15, 2024: Failure to develop, maintain, or get approval of an adequate SWPPP (construction stormwater) (ST6).
  • October 15, 2024: Failure to properly conduct construction stormwater inspections (ST6).
  • October 15, 2024: Failure to properly install, initiate, or fully implement construction stormwater controls (ST6).
  • October 15, 2024: Failure to properly operate or maintain construction stormwater controls (ST6).
  • June 10, 2024: Failure to submit required application or NOI regarding construction stormwater discharges (ST6).
  • June 10, 2024: Failure to develop, maintain, or get approval of an adequate SWPPP (construction stormwater) (ST6).
  • June 10, 2024: Failure to properly conduct construction stormwater inspections (ST6).
  • June 10, 2024: Failure to properly install, initiate, or fully implement industrial stormwater controls (ST6).
  • June 10, 2024: Failure to properly operate or maintain construction stormwater controls (ST6).

CIELO VISTA RANCH among its neighbors

EPA’s permit file holds 1 discharge permits in the Headwaters Ventero Creek subwatershed (HUC 130100020801), COR423427 among them. Its county holds 13, 0 of them major permits; COR423427 is a minor permit.

Identity

Facility as filedCIELO VISTA RANCH
Permittee as filedCielo Vista Ranch I LLC and Cielo Vista Ranch II LLC
NPDES IDCOR423427
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 12, 2024
Expiration dateMarch 31, 2029
AddressSan Luis, CO 81152
SubwatershedHeadwaters Ventero Creek (HUC 130100020801)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR423427.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
October 15, 2024Failure to submit required application or NOI regarding construction stormwater dischargesST6
October 15, 2024Failure to develop, maintain, or get approval of an adequate SWPPP (construction stormwater)ST6
October 15, 2024Failure to properly conduct construction stormwater inspectionsST6
October 15, 2024Failure to properly install, initiate, or fully implement construction stormwater controlsST6
October 15, 2024Failure to properly operate or maintain construction stormwater controlsST6
June 10, 2024Failure to submit required application or NOI regarding construction stormwater dischargesST6
June 10, 2024Failure to develop, maintain, or get approval of an adequate SWPPP (construction stormwater)ST6
June 10, 2024Failure to properly conduct construction stormwater inspectionsST6
June 10, 2024Failure to properly install, initiate, or fully implement industrial stormwater controlsST6
June 10, 2024Failure to properly operate or maintain construction stormwater controlsST6

Inspections

EPA’s inspection file holds no inspection for NPDES COR423427.

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 COR423427.

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES COR423427 for CIELO VISTA RANCH in San Luis, CO, held by Cielo Vista Ranch I LLC and Cielo Vista Ranch II LLC, with the permit listed as Effective and the facility as a Minor discharger. The page lists 0 pollutants on file, 0 under a numeric limit, 0 with a violation of any kind, and 0 with an effluent exceedance.