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Clean Water Act discharge permit · NPDES CO0048828

PEACEFUL VALLEY RANCH, Lyons, CO: NPDES CO0048828 discharge permit, effluent exceedances, inspections, penalties

PEACEFUL VALLEY RANCH, held by Peaceful Valley Resort LLC, holds NPDES permit CO0048828, which discharges to Middle St. Vrain Creek. EPA’s file records it issued January 28, 2011 and expiring February 29, 2016.

PEACEFUL VALLEY RANCH, Lyons, Colorado: Individual permit CO0048828, held by Peaceful Valley Resort LLC; Administratively continued (past its expiration date and still in force until reissued); issued January 28, 2011, term to February 29, 2016; discharges to Middle St. Vrain Creek.

  • Solids, suspended percent removal: 1 limit, 39 violations of any kind, 13 effluent exceedances, latest May 31, 2023, largest 567% over the limit.
  • BOD, 5-day, percent removal: 1 limit, 30 violations of any kind, 4 effluent exceedances, latest June 30, 2022, largest 567% over the limit.
  • E. coli, thermotol, MF, MTEC: 3 limits, 24 violations of any kind, 2 effluent exceedances, latest August 31, 2017, largest 225% over the limit.
  • BOD, 5-day, 20 deg. C: 6 limits, 162 violations of any kind, 1 effluent exceedance, latest March 31, 2011, largest 27% over the limit.
  • Solids, total suspended: 4 limits, 110 violations of any kind, 1 effluent exceedance, latest March 31, 2011, largest 37% over the limit.
  • Flow, in conduit or thru treatment plant: 2 limits, 112 violations of any kind, 0 effluent exceedances.
  • Nitrogen, ammonia total [as N]: 3 limits, 83 violations of any kind, 0 effluent exceedances.
  • Plant capacity fact. percent of capacity: 2 limits, 74 violations of any kind, 0 effluent exceedances.
  • E. coli: 0 limits, 72 violations of any kind, 0 effluent exceedances.
  • pH: 2 limits, 54 violations of any kind, 0 effluent exceedances.
  • Chlorine, total residual: 2 limits, 54 violations of any kind, 0 effluent exceedances.
  • Oil and grease: 1 limit, 27 violations of any kind, 0 effluent exceedances.
  • Oil and grease visual: 1 limit, 26 violations of any kind, 0 effluent exceedances.
  • October 14, 2026: State CWA Penalty AO (State), $3,600 state or local penalty.
  • July 14, 2026: State CWA Non Penalty AO (State).
  • July 14, 2026: State CWA Penalty AO (State), $15,000 state or local penalty.
  • March 22, 2023: Monitoring Violations - Analysis not Conducted (ST6).
  • March 22, 2023: Monitoring Violations - Invalid/Unrepresentative Sample (ST6).

Other permits held by Peaceful Valley Resort LLC

PEACEFUL VALLEY RANCH among its neighbors

EPA’s permit file holds 3 discharge permits in the Middle Saint Vrain Creek subwatershed (HUC 101900050102), CO0048828 among them. Its county holds 355, 5 of them major permits; CO0048828 is a minor permit.

Other permits in the Middle Saint Vrain Creek subwatershed (HUC 101900050102)

  • PEACEFUL VALLEY RESORT LLC, Lyons: COL048828, minor permit, permit term to December 31, 2025
  • QUARRY PIT, Granby: COG501782, minor permit, discharging to unnamed tributary to Willow Creek, permit term to December 31, 2021

Identity

Facility as filedPEACEFUL VALLEY RANCH
Permittee as filedPeaceful Valley Resort LLC
NPDES IDCO0048828
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 28, 2011
Expiration dateFebruary 29, 2016
AddressLyons, CO 80540
Receiving waterMiddle St. Vrain Creek
SubwatershedMiddle Saint Vrain Creek (HUC 101900050102)
SIC4952 – Sewerage Systems

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, suspended percent removal13913May 31, 2023567% over the limit
BOD, 5-day, percent removal1304June 30, 2022567% over the limit
E. coli, thermotol, MF, MTEC3242August 31, 2017225% over the limit
BOD, 5-day, 20 deg. C61621March 31, 201127% over the limit
Solids, total suspended41101March 31, 201137% over the limit
Flow, in conduit or thru treatment plant21120
Nitrogen, ammonia total [as N]3830
Plant capacity fact. percent of capacity2740
E. coli0720
pH2540
Chlorine, total residual2540
Oil and grease1270
Oil and grease visual1260

Inspections, violations and enforcement

DateWhat EPA recordedAgency
March 22, 2023Monitoring Violations - Analysis not ConductedST6
March 22, 2023Monitoring Violations - Invalid/Unrepresentative SampleST6

Inspections

EPA’s inspection file holds no inspection for NPDES CO0048828.

Formal enforcement and penalties

3 formal actions, 2 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.

DateWhat EPA recordedAgencyFederal penaltyState or local penalty
October 14, 2026State CWA Penalty AOState$3,600
July 14, 2026State CWA Non Penalty AOState
July 14, 2026State CWA Penalty AOState$15,000

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES CO0048828.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES CO0048828 for PEACEFUL VALLEY RANCH in Lyons, CO, held by Peaceful Valley Resort LLC and discharging to Middle St. Vrain Creek in the Middle Saint Vrain Creek subwatershed (HUC 101900050102). The page lists a permit status of administratively continued, with 12 as the discharger class, 5 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.