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Cosmopolitan of Las Vegas

Hotels And Motels, Las Vegas, Nevada. NPDES permit NV0023515 expired Jan 31, 2023; its limits still apply. Last 12 months: no values over a limit, 3 required values missing, 12 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (4 values), form Q quarterly (11 values), form ZZ every 60 months
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 11 required values missing, 16 of 16 reports late

Limits in force (28)

ParameterStatisticLimitMonths
Flow rate30-day average≤ .049 MGDall year
Flow rate30-day average≤ .049 MGDall year
Flow ratedaily maximum≤ .049 MGDall year
Flow ratedaily maximum≤ .049 MGDall year
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, inorganic totaldaily maximum≤ 20 mg/Lall year
Phosphate, total [as PO4]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Arsenic, total recoverabledaily maximum≤ 100 ug/Lall year
Barium, total [as Ba]daily maximumreport only (ug/L)all year
Boron, total [as B]daily maximum≤ 750 ug/Lall year
Lead, total recoverabledaily maximum≤ 100 ug/Lall year
Selenium, total [as Se]daily maximum≤ 20 ug/Lall year
Methyl tert-butyl ether [MTBE]daily maximum≤ 20 ug/Lall year
Toluenedaily maximum≤ 100 ug/Lall year
Benzenedaily maximum≤ 5 ug/Lall year
Ethylbenzenedaily maximum≤ 100 ug/Lall year
Tetrachloroethylenedaily maximum≤ 5 ug/Lall year
Volatile Organic Compound [VOC]daily maximumreport only (ug/L)all year
pH, maximumdaily maximum≤ 9 SUall year
pH, minimumdaily minimum≥ 6.5 SUall year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Solids, total dissolvedmaximum monthly averagereport only (mg/L)all year
Mercury, total recoverabledaily maximum≤ 10 ug/Lall year
Xylene [mix of m+o+p]daily maximum≤ 200 ug/Lall year
Hydrocarbons, total petroleumdaily maximum≤ 1 mg/Lall year

How strict are these limits?

Cited limits by parameter: Nevada's rules and the federal ones.

Same industry: the 12 Hotels, Rooming Houses, Camps and Other Lodging permits in Nevada.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NV0023515 · MCP: https://passage-data.com/mcp