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City of Sparks

Air, Water, & Solid Waste Management, Sparks, Nevada. NPDES permit NV0022918 expired Mar 21, 2018; its limits still apply. Last 12 months: over a limit 6 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (46 values), outfall 001 form Q quarterly (3 values), outfall 002 form Q quarterly (1 value), outfall INF form Q quarterly (1 value), outfall 001 form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 0 of 25 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
December 2025Phosphorus, total [as P], 30-day average1.63 lb/d≤ 1 lb/d63%
January 2026Phosphorus, total [as P], 30-day average3.64 lb/d≤ 1 lb/d264%
February 2026Nitrogen, total [as N], 30-day average40.36 lb/d≤ 33.3 lb/d21%
February 2026Phosphorus, total [as P], 30-day average4.59 lb/d≤ 1 lb/d359%
March 2026Nitrogen, total [as N], 30-day average39.1 lb/d≤ 33.3 lb/d17%
March 2026Phosphorus, total [as P], 30-day average4.2 lb/d≤ 1 lb/d320%

Limits in force (83)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrade30-day averagereport only (deg C)all year001
Temperature, water deg. centigrade30-day averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Flow ratequarterly average≤ 5.5 MGDall year001
Flow ratedaily maximum≤ 5.5 MGDall year001
Flow ratedaily maximum≤ 5.5 MGDall year001
Sulfate [as S]daily maximum≤ 250 mg/Lall year001
Sulfate [as S]daily maximum≤ 250 mg/Lall year001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year001
Solids, total suspendedannual average≤ 25 mg/Lall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Nitrogen, total [as N]30-day averagereport only (mg/L)all year001
Nitrogen, total [as N]30-day averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]annual averagereport only (lb/d)all year001
Nitrogen, total [as N]30-day average≤ 33.3 lb/dall year001
Nitrogen, total [as N]30-day average≤ 33.3 lb/dall year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, nitrate total [as N]30-day averagereport only (mg/L)all year001
Nitrogen, nitrate total [as N]30-day averagereport only (mg/L)all year001
Nitrogen, nitrate total [as N]daily maximum≤ 2 mg/Lall year001
Nitrogen, nitrate total [as N]daily maximum≤ 2 mg/Lall year001
Phosphorus, total [as P]30-day averagereport only (mg/L)all year001
Phosphorus, total [as P]30-day averagereport only (mg/L)all 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]30-day average≤ 1 lb/dall year001
Phosphorus, total [as P]30-day average≤ 1 lb/dall year001
Phosphorus, total [as P]annual averagereport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Dichloromethanedaily maximum≤ 5 ug/Lall year001
Methyl tert-butyl ether [MTBE]daily maximum≤ 20 ug/Lall year001
Carbon tetrachloridedaily maximum≤ 5 ug/Lall year001
1,2-Dichloroethanedaily maximum≤ 5 ug/Lall year001
Toluenedaily maximum≤ 100 ug/Lall year001
Benzenedaily maximum≤ 5 ug/Lall year001
Ethylbenzenedaily maximum≤ 100 ug/Lall year001
Tetrachloroethylenedaily maximum≤ 5 ug/Lall year001
1,1-Dichloroethylenedaily maximum≤ 7 ug/Lall year001
1,1,1-Trichloroethanedaily maximum≤ 200 ug/Lall year001
Vinyl chloridedaily maximum≤ 2 ug/Lall year001
Trichloroethylenedaily maximum≤ 5 ug/Lall year001
pH, maximumdaily maximum≤ 8.5 SUall year001
pH, maximumdaily maximum≤ 8.5 SUall year001
pH, maximumdaily maximum≤ 8.5 SUall year001
pH, maximumdaily maximum≤ 8.5 SUall year001
pH, minimumdaily minimum≥ 7.1 SUall year001
pH, minimumdaily minimum≥ 7.1 SUall year001
pH, minimumdaily minimum≥ 7.1 SUall year001
pH, minimumdaily minimum≥ 7.1 SUall year001
Solids, total dissolved30-day averagereport only (mg/L)all year001
Solids, total dissolved30-day averagereport only (mg/L)all year001
Solids, total dissolved30-day averagereport only (mg/L)all year001
Solids, total dissolved30-day averagereport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolvedannual averagereport only (lb/d)all year001
Solids, total dissolved30-day average≤ 19390 lb/dall year001
Solids, total dissolved30-day average≤ 19390 lb/dall year001
Solids, total dissolved30-day average≤ 19390 lb/dall year001
Solids, total dissolved30-day average≤ 19390 lb/dall year001
Xylene [mix of m+o+p]daily maximum≤ 200 ug/Lall year001
Trihalomethane, tot.daily maximum≤ 100 ug/Lall year001
Hydrocarbons, total petroleumdaily maximum≤ 1 mg/Lall year001
Chloroethanedaily maximumreport only (ug/L)all year001
%Surv Static Renewal 48Hr Acute Daphnia pulexminimum≥ 90 % survivalall year001
% Survival Static Renewal 96Hr Acute Pimephales promelasminimum≥ 90 % survivalall year001
Flow ratequarterly averagereport only (MGD)all year002
Flow ratequarterly averagereport only (MGD)all yearINF

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/NV0022918 · MCP: https://passage-data.com/mcp