Clean Water Act discharge permit · NPDES CO0049006

THE YORK ON CITY PARK APTS 1781 YORK ST, Denver, CO: NPDES CO0049006 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
139Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

THE YORK ON CITY PARK APTS 1781 YORK ST, held by Shea Apartment Communities, holds NPDES permit CO0049006, which discharges to South Platte River. EPA’s file records it issued April 28, 2017 and expiring May 31, 2022.

THE YORK ON CITY PARK APTS 1781 YORK ST, Denver, Colorado: Individual permit CO0049006, held by Shea Apartment Communities; Administratively continued (past its expiration date and still in force until reissued); issued April 28, 2017, term to May 31, 2022; discharges to South Platte River.

Nitrogen, inorganic total: 2 limits, 19 violations of any kind, 3 effluent exceedances, latest June 30, 2023, largest 4,460% over the limit.
Flow, in conduit or thru treatment plant: 2 limits, 33 violations of any kind, 1 effluent exceedance, latest May 31, 2018, largest 1,213% over the limit.
Uranium, total: 2 limits, 17 violations of any kind, 1 effluent exceedance, latest June 30, 2019, largest 5% over the limit.
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia: 1 limit, 12 violations of any kind, 1 effluent exceedance, latest June 30, 2019, largest 50% over the limit.
Aluminum, total recoverable: 4 limits, 33 violations of any kind, 0 effluent exceedances.
Selenium, potentially dissolvd: 4 limits, 32 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 32 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 32 violations of any kind, 0 effluent exceedances.
Manganese, dissolved [as Mn]: 2 limits, 32 violations of any kind, 0 effluent exceedances.
Copper, potentially dissolved: 2 limits, 32 violations of any kind, 0 effluent exceedances.
Nickel, potentially dissolvd: 2 limits, 32 violations of any kind, 0 effluent exceedances.
1,2-Diphenylhydrazine: 2 limits, 20 violations of any kind, 0 effluent exceedances.
1,2-Dichloroethane: 2 limits, 19 violations of any kind, 0 effluent exceedances.
Chloroform: 2 limits, 19 violations of any kind, 0 effluent exceedances.
Acenaphthene: 2 limits, 19 violations of any kind, 0 effluent exceedances.
Acrolein: 2 limits, 19 violations of any kind, 0 effluent exceedances.
Bis[2-chloroisopropyl] ether: 2 limits, 19 violations of any kind, 0 effluent exceedances.
1,2-Dichloropropane: 2 limits, 19 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Chromium, hexavalent dissolved [as Cr]: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Zinc, potentially dissolved: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Silver, potentially dissolved: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Cadmium, potentially dissolvd: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Lead, potentially dissolvd: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Total phenols: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Tributyltin: 2 limits, 18 violations of any kind, 0 effluent exceedances.
PCB, total, scan effluent: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Acrylonitrile: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Hexachlorocyclopentadiene: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Hexachlorobutadiene: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Hexachloroethane: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Nitrobenzene: 2 limits, 18 violations of any kind, 0 effluent exceedances.
1,1,2-Trichloroethane: 2 limits, 18 violations of any kind, 0 effluent exceedances.
2-Chlorophenol: 2 limits, 18 violations of any kind, 0 effluent exceedances.
2,4-Dichlorophenol: 2 limits, 18 violations of any kind, 0 effluent exceedances.
2,6-Dinitrotoluene: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Naphthalene: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Pentachlorophenol: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Benzidine: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Trichloroethylene: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Bromodichloromethane: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Nonylphenol: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Chloronaphthalene: 2 limits, 18 violations of any kind, 0 effluent exceedances.
1,2,4-Trichlorobenzene, total: 2 limits, 18 violations of any kind, 0 effluent exceedances.
1,1,2,2-Tetrachloroethylene: 2 limits, 18 violations of any kind, 0 effluent exceedances.
Iron, total recoverable: 1 limit, 17 violations of any kind, 0 effluent exceedances.
Iron, dissolved [as Fe]: 1 limit, 17 violations of any kind, 0 effluent exceedances.
Chloride [as Cl]: 1 limit, 16 violations of any kind, 0 effluent exceedances.
Arsenic, total recoverable: 1 limit, 16 violations of any kind, 0 effluent exceedances.
Nickel, total recoverable: 1 limit, 16 violations of any kind, 0 effluent exceedances.
Lead, total recoverable: 1 limit, 16 violations of any kind, 0 effluent exceedances.
Molybdenum, total recoverable: 1 limit, 16 violations of any kind, 0 effluent exceedances.
Oil and grease: 1 limit, 16 violations of any kind, 0 effluent exceedances.
Sulfate: 1 limit, 16 violations of any kind, 0 effluent exceedances.
Oil and grease visual: 1 limit, 16 violations of any kind, 0 effluent exceedances.
LC50 Static Renewal 96Hr Acute Pimephales promelas: 1 limit, 11 violations of any kind, 0 effluent exceedances.
Carbon tetrachloride: 1 limit, 10 violations of any kind, 0 effluent exceedances.
Benzo[a]anthracene: 1 limit, 10 violations of any kind, 0 effluent exceedances.
1,2-trans-Dichloroethylene, dry weight: 1 limit, 10 violations of any kind, 0 effluent exceedances.
Dibenz[a,h]anthracene: 1 limit, 10 violations of any kind, 0 effluent exceedances.

April 1, 2018: Monitoring Violations - Failure to Monitor for Toxicity Requirements (ST6).

THE YORK ON CITY PARK APTS 1781 YORK ST among its neighbors

EPA’s permit file holds 228 discharge permits in the Cherry Creek-South Platte River subwatershed (HUC 101900030304), CO0049006 among them. Its county holds 465, 3 of them major permits; CO0049006 is a minor permit.

Other permits in the Cherry Creek-South Platte River subwatershed (HUC 101900030304)

1158 DELAWARE, Denver: COR417163, minor permit, permit term to March 31, 2024
1401 WYNKOOP PARKING GARAGE, Denver County: COG603107, minor permit, discharging to Cherry Creek, permit term to December 31, 2012
1565 N COLORADO BLVD, Denver: COR428972, minor permit, permit term to March 31, 2029
1601 COLORADO APTS, Denver County: COG603087, minor permit, discharging to Storm Sewer, permit term to December 31, 2012
1601 WEWATTA, Denver: CO0000008, minor permit, discharging to South Platte River, permit term to September 30, 2018
1790 LOGAN STREET AND 1799 PENNSYLVANIA STREET, Denver: COR424249, minor permit, permit term to March 31, 2029
1800 LARIMER LLC, Denver County: COG603158, minor permit, discharging to Cherry Creek, permit term to December 31, 2012
1900 LAWRENCE, Denver: COG318123, minor permit, discharging to Cherry Creek and South Platte River, permit term to May 31, 2028
23041 - CRESTMOOR PARK PROJECT (REPLACEMENT), Denver: COR430963, minor permit, permit term to March 31, 2029
299 MILWAUKEE, Denver: COR424747, minor permit, permit term to March 31, 2029

Identity

Facility as filed	THE YORK ON CITY PARK APTS 1781 YORK ST
Permittee as filed	Shea Apartment Communities
NPDES ID	CO0049006
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	April 28, 2017
Expiration date	May 31, 2022
Address	Denver, CO 80206
Receiving water	South Platte River
Receiving water impaired	303(D) Listed
Subwatershed	Cherry Creek-South Platte River (HUC 101900030304)

Effluent limits and exceedances

139Pollutants on file
139Under a numeric limit
139With a violation of any kind
4With an effluent exceedance

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; the 60 with the most exceedances of 139 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, inorganic total	2	19	3	June 30, 2023	4,460% over the limit
Flow, in conduit or thru treatment plant	2	33	1	May 31, 2018	1,213% over the limit
Uranium, total	2	17	1	June 30, 2019	5% over the limit
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia	1	12	1	June 30, 2019	50% over the limit
Aluminum, total recoverable	4	33	0
Selenium, potentially dissolvd	4	32	0
pH	2	32	0
Solids, total suspended	2	32	0
Manganese, dissolved [as Mn]	2	32	0
Copper, potentially dissolved	2	32	0
Nickel, potentially dissolvd	2	32	0
1,2-Diphenylhydrazine	2	20	0
1,2-Dichloroethane	2	19	0
Chloroform	2	19	0
Acenaphthene	2	19	0
Acrolein	2	19	0
Bis[2-chloroisopropyl] ether	2	19	0
1,2-Dichloropropane	2	19	0
Phosphorus, total [as P]	2	18	0
Chromium, hexavalent dissolved [as Cr]	2	18	0
Zinc, potentially dissolved	2	18	0
Silver, potentially dissolved	2	18	0
Cadmium, potentially dissolvd	2	18	0
Lead, potentially dissolvd	2	18	0
Total phenols	2	18	0
Tributyltin	2	18	0
PCB, total, scan effluent	2	18	0
Acrylonitrile	2	18	0
Hexachlorocyclopentadiene	2	18	0
Hexachlorobutadiene	2	18	0
Hexachloroethane	2	18	0
Nitrobenzene	2	18	0
1,1,2-Trichloroethane	2	18	0
2-Chlorophenol	2	18	0
2,4-Dichlorophenol	2	18	0
2,6-Dinitrotoluene	2	18	0
Naphthalene	2	18	0
Pentachlorophenol	2	18	0
Benzidine	2	18	0
Trichloroethylene	2	18	0
Bromodichloromethane	2	18	0
Nonylphenol	2	18	0
Chloronaphthalene	2	18	0
1,2,4-Trichlorobenzene, total	2	18	0
1,1,2,2-Tetrachloroethylene	2	18	0
Iron, total recoverable	1	17	0
Iron, dissolved [as Fe]	1	17	0
Chloride [as Cl]	1	16	0
Arsenic, total recoverable	1	16	0
Nickel, total recoverable	1	16	0
Lead, total recoverable	1	16	0
Molybdenum, total recoverable	1	16	0
Oil and grease	1	16	0
Sulfate	1	16	0
Oil and grease visual	1	16	0
LC50 Static Renewal 96Hr Acute Pimephales promelas	1	11	0
Carbon tetrachloride	1	10	0
Benzo[a]anthracene	1	10	0
1,2-trans-Dichloroethylene, dry weight	1	10	0
Dibenz[a,h]anthracene	1	10	0

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
April 1, 2018	Monitoring Violations - Failure to Monitor for Toxicity Requirements	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES CO0049006.

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 CO0049006.

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, CO0049006.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit CO0049006 for THE YORK ON CITY PARK APTS in Denver, CO, held by Shea Apartment Communities, with a status of administratively continued and a discharger class of Minor. The listed figures are 4 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, out of 139 pollutants.