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Clark County Public Works

Transportation Services, Las Vegas, Nevada. NPDES permit NV0024255, in force until Jul 31, 2028. Last 12 months: no values over a limit, 76 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (16 values), outfall 001 form Q quarterly (52 values), outfall PR1 form A quarterly (12 values)
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 28 reports late

Limits in force (148)

ParameterStatisticLimitMonthsOutfall
Flow rate30-day averagereport only (MGD)all year001
Flow rate30-day averagereport only (MGD)all year001
Flow rate30-day averagereport only (MGD)all year001
Flow rate30-day averagereport only (MGD)all year001
Flow ratedaily maximum≤ 1.3 MGDall year001
Flow ratedaily maximum≤ 1.3 MGDall year001
Flow ratedaily maximum≤ 1.3 MGDall year001
Flow ratedaily maximum≤ 1.3 MGDall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, nitrite total [as N]daily maximum≤ 5 mg/Lall year001
Nitrogen, nitrite total [as N]daily maximum≤ 5 mg/Lall year001
Nitrogen, nitrate total [as N]daily maximum≤ 90 mg/Lall year001
Nitrogen, nitrate total [as N]daily maximum≤ 90 mg/Lall year001
Nitrogen, inorganic totaldaily maximum≤ 20 mg/Lall year001
Nitrogen, inorganic totaldaily maximum≤ 20 mg/Lall year001
Nitrogen, inorganic totaldaily maximum≤ 20 mg/Lall year001
Nitrogen, inorganic totaldaily maximum≤ 20 mg/Lall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Sulfide, total [as S]daily maximum≤ 2 ug/Lall year001
Sulfide, total [as S]daily maximum≤ 2 ug/Lall year001
Fluoride, total [as F]daily maximumreport only (ug/L)all year001
Fluoride, total [as F]daily maximumreport only (ug/L)all year001
Arsenic, total recoverabledaily maximumreport only (ug/L)all year001
Arsenic, total recoverabledaily maximumreport only (ug/L)all year001
Iron, total recoverabledaily maximum≤ 1000 ug/Lall year001
Beryllium, total recoverable [as Be]daily maximum≤ 100 ug/Lall year001
Beryllium, total recoverable [as Be]daily maximum≤ 100 ug/Lall year001
Boron, total recoverabledaily maximumreport only (ug/L)all year001
Boron, total recoverabledaily maximumreport only (ug/L)all year001
Cadmium, dissolved [as Cd]daily maximum≤ 2.3 ug/Lall year001
Cadmium, dissolved [as Cd]daily maximum≤ 2.3 ug/Lall year001
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year001
Chromium, trivalent [as Cr]daily maximumreport only (ug/L)all year001
Copper, dissolved [as Cu]daily maximum≤ 34 ug/Lall year001
Copper, dissolved [as Cu]daily maximum≤ 34 ug/Lall year001
Lead, dissolved [as Pb]daily maximum≤ 13 ug/Lall year001
Lead, dissolved [as Pb]daily maximum≤ 13 ug/Lall year001
Nickel, total recoverabledaily maximum≤ 193 ug/Lall year001
Silver total recoverabledaily maximum≤ 46 ug/Lall year001
Silver total recoverabledaily maximum≤ 46 ug/Lall year001
Zinc, dissolved [as Zn]daily maximumreport only (ug/L)all year001
Zinc, dissolved [as Zn]daily maximumreport only (ug/L)all year001
Chromium, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, total recoverabledaily maximumreport only (ug/L)all year001
Molybdenum, total recoverabledaily maximum≤ 1650 ug/Lall year001
Molybdenum, total recoverabledaily maximum≤ 1650 ug/Lall year001
Selenium, dissolved [as Se]daily maximumreport only (ug/L)all year001
Selenium, dissolved [as Se]daily maximumreport only (ug/L)all year001
Tributyltindaily maximum≤ .072 ug/Lall year001
Tributyltindaily maximum≤ .072 ug/Lall year001
Manganese, total recoverabledaily maximumreport only (ug/L)all year001
Manganese, total recoverabledaily maximumreport only (ug/L)all year001
Methyl tert-butyl ether [MTBE]daily maximum≤ 20 ug/Lall year001
Methyl tert-butyl ether [MTBE]daily maximum≤ 20 ug/Lall year001
Methyl tert-butyl ether [MTBE]daily maximum≤ 20 ug/Lall year001
Methyl tert-butyl ether [MTBE]daily maximum≤ 20 ug/Lall year001
Benzenedaily maximum≤ 5 ug/Lall year001
Benzenedaily maximum≤ 5 ug/Lall year001
Benzenedaily maximum≤ 5 ug/Lall year001
Benzenedaily maximum≤ 5 ug/Lall year001
Acroleindaily maximum≤ 3 ug/Lall year001
.beta.-Endosulfandaily maximum≤ .056 ug/Lall year001
.beta.-Endosulfandaily maximum≤ .056 ug/Lall year001
.alpha.-Endosulfandaily maximum≤ .056 ug/Lall year001
.alpha.-Endosulfandaily maximum≤ .056 ug/Lall year001
Tetrachloroethylenedaily maximum≤ 5 ug/Lall year001
Tetrachloroethylenedaily maximum≤ 5 ug/Lall year001
Chlorpyrifosdaily maximum≤ .041 ug/Lall year001
Chlorpyrifosdaily maximum≤ .041 ug/Lall year001
Pentachlorophenoldaily maximum≤ 23.5 ug/Lall year001
Pentachlorophenoldaily maximum≤ 23.5 ug/Lall year001
4,4'-DDTdaily maximum≤ .001 ug/Lall year001
4,4'-DDTdaily maximum≤ .001 ug/Lall year001
Aldrindaily maximum≤ 3 ug/Lall year001
Aldrindaily maximum≤ 3 ug/Lall year001
Chlordane [tech mix. and metabolites]daily maximum≤ .0043 ug/Lall year001
Chlordane [tech mix. and metabolites]daily maximum≤ .0043 ug/Lall year001
Dieldrindaily maximum≤ .056 ug/Lall year001
Dieldrindaily maximum≤ .056 ug/Lall year001
Endrindaily maximum≤ .036 ug/Lall year001
Endrindaily maximum≤ .036 ug/Lall year001
Toxaphenedaily maximum≤ .0002 ug/Lall year001
Toxaphenedaily maximum≤ .0002 ug/Lall year001
Heptachlordaily maximum≤ .0038 ug/Lall year001
Heptachlordaily maximum≤ .0038 ug/Lall year001
Heptachlor epoxidedaily maximum≤ .0038 ug/Lall year001
Heptachlor epoxidedaily maximum≤ .0038 ug/Lall year001
Methoxychlordaily maximum≤ .03 ug/Lall year001
Methoxychlordaily maximum≤ .03 ug/Lall year001
Polychlorinated biphenyls [PCBs]daily maximum≤ .014 ug/Lall year001
Polychlorinated biphenyls [PCBs]daily maximum≤ .014 ug/Lall year001
Malathiondaily maximum≤ .1 ug/Lall year001
Malathiondaily maximum≤ .1 ug/Lall year001
Parathiondaily maximum≤ .013 ug/Lall year001
Parathiondaily maximum≤ .013 ug/Lall year001
Demetondaily maximum≤ .1 ug/Lall year001
Demetondaily maximum≤ .1 ug/Lall year001
Diazinondaily maximum≤ .17 ug/Lall year001
Mirexdaily maximum≤ .001 ug/Lall year001
Mirexdaily maximum≤ .001 ug/Lall year001
Lindanedaily maximum≤ .95 ug/Lall year001
Lindanedaily maximum≤ .95 ug/Lall year001
Cyanide, free availabledaily maximum≤ 5 ug/Lall year001
Cyanide, free availabledaily maximum≤ 5 ug/Lall year001
Nonylphenoldaily maximum≤ 6.6 ug/Lall year001
Nonylphenoldaily maximum≤ 6.6 ug/Lall year001
pH, maximumdaily maximum≤ 9 SUall year001
pH, maximumdaily maximum≤ 9 SUall year001
pH, minimumdaily minimum≥ 6.5 SUall year001
pH, minimumdaily minimum≥ 6.5 SUall year001
Solids, total dissolveddaily maximum≤ 3000 mg/Lall year001
Solids, total dissolveddaily maximum≤ 3000 mg/Lall year001
Solids, total dissolveddaily maximum≤ 3000 mg/Lall year001
Solids, total dissolveddaily maximum≤ 3000 mg/Lall year001
Mercury, dissolved [as Hg]daily maximum≤ .77 ug/Lall year001
Mercury, dissolved [as Hg]daily maximum≤ .77 ug/Lall year001
Hydrocarbons, total petroleumdaily maximum≤ 1 mg/Lall year001
Hydrocarbons, total petroleumdaily maximum≤ 1 mg/Lall year001
Hydrocarbons, total petroleumdaily maximum≤ 1 mg/Lall year001
Hydrocarbons, total petroleumdaily maximum≤ 1 mg/Lall year001
Azinphos-methyldaily maximum≤ .01 ug/Lall year001
Azinphos-methyldaily maximum≤ .01 ug/Lall year001
Flow rate30-day averagereport only (MGD)all yearPR1
Flow rate30-day averagereport only (MGD)all yearPR1
Flow rate30-day averagereport only (MGD)all yearPR1
Flow rate30-day averagereport only (MGD)all yearPR1
Flow ratedaily maximumreport only (MGD)all yearPR1
Flow ratedaily maximumreport only (MGD)all yearPR1
Flow ratedaily maximumreport only (MGD)all yearPR1
Flow ratedaily maximumreport only (MGD)all yearPR1
Methyl tert-butyl ether [MTBE]daily maximumreport only (ug/L)all yearPR1
Methyl tert-butyl ether [MTBE]daily maximumreport only (ug/L)all yearPR1
Methyl tert-butyl ether [MTBE]daily maximumreport only (ug/L)all yearPR1
Methyl tert-butyl ether [MTBE]daily maximumreport only (ug/L)all yearPR1
Benzenedaily maximumreport only (ug/L)all yearPR1
Benzenedaily maximumreport only (ug/L)all yearPR1
Benzenedaily maximumreport only (ug/L)all yearPR1
Benzenedaily maximumreport only (ug/L)all yearPR1
Tetrachloroethylenedaily maximumreport only (ug/L)all yearPR1
Tetrachloroethylenedaily maximumreport only (ug/L)all yearPR1
Hydrocarbons, total petroleumdaily maximumreport only (mg/L)all yearPR1
Hydrocarbons, total petroleumdaily maximumreport only (mg/L)all yearPR1
Hydrocarbons, total petroleumdaily maximumreport only (mg/L)all yearPR1
Hydrocarbons, total petroleumdaily maximumreport only (mg/L)all yearPR1

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NV0024255 · MCP: https://passage-data.com/mcp