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City Of Lake Havasu City - Mulberry Wwtp

Industrial or other facility, major discharger, Lake Havasu City, Arizona. NPDES permit AZ0026824, in force until Jun 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 30 days after each period: outfall 001 form A monthly (74 values), outfall INI form A monthly (4 values), outfall INM form A monthly (4 values), outfall INN form A monthly (4 values), outfall ISL form A monthly (16 values), outfall MUL form A monthly (16 values), and 4 more forms
Last report on file
August 2026

Limits in force (162)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (Ratio)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (Ratio)all year001
Nitrogen, nitrite total [as N]monthly average≤ 1 mg/Lall year001
Nitrogen, nitrite total [as N]daily maximum≤ 3 mg/Lall year001
Nitrogen, nitrite total [as N]monthly average≤ 20 kg/dall year001
Nitrogen, nitrite total [as N]daily maximum≤ 50 kg/dall year001
Nitrogen, nitrate total [as N]monthly average≤ 10 mg/Lall year001
Nitrogen, nitrate total [as N]daily maximum≤ 20 mg/Lall year001
Nitrogen, nitrate total [as N]monthly average≤ 200 kg/dall year001
Nitrogen, nitrate total [as N]daily maximum≤ 300 kg/dall year001
Nitrite + Nitrate total [as N]monthly average≤ 10 mg/Lall year001
Nitrite + Nitrate total [as N]daily maximum≤ 20 mg/Lall year001
Nitrite + Nitrate total [as N]monthly average≤ 200 kg/dall year001
Nitrite + Nitrate total [as N]daily maximum≤ 300 kg/dall year001
Cyanide, total [as CN]monthly average≤ 7.9 ug/Lall year001
Cyanide, total [as CN]daily maximum≤ 16 ug/Lall year001
Cyanide, total [as CN]monthly average≤ 130 g/dall year001
Cyanide, total [as CN]daily maximum≤ 260 g/dall year001
Sulfide, total [as S]monthly averagereport only (ug/L)all year001
Sulfide, total [as S]daily maximumreport only (ug/L)all year001
Arsenic, total recoverablemonthly average≤ 10 ug/Lall year001
Arsenic, total recoverabledaily maximum≤ 20 ug/Lall year001
Arsenic, total recoverablemonthly average≤ 200 g/dall year001
Arsenic, total recoverabledaily maximum≤ 300 g/dall year001
Iron, total recoverablemonthly averagereport only (ug/L)all year001
Iron, total recoverabledaily maximumreport only (ug/L)all year001
Selenium, total recoverablemonthly average≤ 1 ug/Lall year001
Selenium, total recoverabledaily maximum≤ 3 ug/Lall year001
Selenium, total recoverablemonthly average≤ 20 g/dall year001
Selenium, total recoverabledaily maximum≤ 50 g/dall year001
Boron, total recoverablemonthly averagereport only (ug/L)all year001
Boron, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, trivalent [as Cr]monthly averagereport only (ug/L)all year001
Chromium, trivalent [as Cr]daily maximumreport only (ug/L)all year001
Chromium, total [as Cr]monthly average≤ 100 ug/Lall year001
Chromium, total [as Cr]daily maximum≤ 300 ug/Lall year001
Chromium, total [as Cr]monthly average≤ 2000 g/dall year001
Chromium, total [as Cr]daily maximum≤ 5000 g/dall year001
Zinc, total recoverablemonthly average≤ 150 ug/Lall year001
Zinc, total recoverabledaily maximum≤ 300 ug/Lall year001
Zinc, total recoverablemonthly average≤ 2500 g/dall year001
Zinc, total recoverabledaily maximum≤ 4900 g/dall year001
Lead, total recoverablemonthly averagereport only (ug/L)all year001
Lead, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)all year001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year001
Manganese, total recoverablemonthly averagereport only (ug/L)all year001
Manganese, total recoverabledaily maximumreport only (ug/L)all year001
Dichlorobromomethanemonthly average≤ 17 ug/Lall year001
Dichlorobromomethanedaily maximum≤ 34 ug/Lall year001
Dichlorobromomethanemonthly average≤ 280 g/dall year001
Dichlorobromomethanedaily maximum≤ 560 g/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ 9 ug/Lall year001
Chlorine, total residualdaily maximum≤ 18 ug/Lall year001
Chlorine, total residualmonthly average≤ 150 g/dall year001
Chlorine, total residualdaily maximum≤ 290 g/dall year001
E. coli, colony forming units [CFU]monthly average≤ 126 CFU/100mLall year001
E. coli, colony forming units [CFU]daily maximum≤ 410 CFU/100mLall year001
Solids, total dissolvedmonthly averagereport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolvedmonthly averagereport only (kg/d)all year001
Solids, total dissolveddaily maximumreport only (kg/d)all year001
Solids, total dissolvedmonthly averagereport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolvedmonthly averagereport only (kg/d)all year001
Solids, total dissolveddaily maximumreport only (kg/d)all year001
Hydrogen sulfidemonthly averagereport only (ug/L)all year001
Hydrogen sulfidedaily maximumreport only (ug/L)all year001
Mercury, total recoverablemonthly average≤ .008 ug/Lall year001
Mercury, total recoverabledaily maximum≤ .02 ug/Lall year001
Mercury, total recoverablemonthly average≤ .1 g/dall year001
Mercury, total recoverabledaily maximum≤ .3 g/dall year001
Trihalomethane, tot.monthly average≤ 80 ug/Lall year001
Trihalomethane, tot.daily maximum≤ 200 ug/Lall year001
Trihalomethane, tot.monthly average≤ 1000 g/dall year001
Trihalomethane, tot.daily maximum≤ 3000 g/dall year001
Pass/Fail Static 96Hr Acute Ceriodaphnia Dubiamonthly medianreport only (pass=0;fail=1)all year001
Pass/Fail Static 96Hr Acute Ceriodaphnia Dubiadaily maximumreport only (pass=0;fail=1)all year001
Pass/Fail Static 96 Hr Acute Pimephales Promelasmonthly medianreport only (pass=0;fail=1)all year001
Pass/Fail Static 96 Hr Acute Pimephales Promelasdaily maximumreport only (pass=0;fail=1)all year001
Chronic Mthd Sublethal Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiamonthly medianreport only (pass=0;fail=1)all year001
Chronic Mthd Sublethal Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiadaily maximumreport only (pass=0;fail=1)all year001
Chronic Mthd Sublethal Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubiadaily maximumreport only (% effect)all year001
Chronic Mthd Sublethal Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, StatR7d P promelasmonthly medianreport only (pass=0;fail=1)all year001
Chronic Mthd Sublethal Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, StatR7d P promelasdaily maximumreport only (pass=0;fail=1)all year001
Chronic Mthd Sublethal Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, StatR7d P promelasdaily maximumreport only (% effect)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINI
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all yearINI
Solids, total suspendedmonthly averagereport only (mg/L)all yearINI
Solids, total suspendedweekly averagereport only (mg/L)all yearINI
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINM
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all yearINM
Solids, total suspendedmonthly averagereport only (mg/L)all yearINM
Solids, total suspendedweekly averagereport only (mg/L)all yearINM
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINN
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all yearINN
Solids, total suspendedmonthly averagereport only (mg/L)all yearINN
Solids, total suspendedweekly averagereport only (mg/L)all yearINN
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall yearISL
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall yearISL
BOD, 5-day, 20 deg. Cmonthly average≤ 284 kg/dall yearISL
BOD, 5-day, 20 deg. Cweekly average≤ 426 kg/dall yearISL
pHminimum≥ 6 SUall yearISL
pHmaximum≤ 9 SUall yearISL
Solids, total suspendedmonthly average≤ 30 mg/Lall yearISL
Solids, total suspendedweekly average≤ 45 mg/Lall yearISL
Solids, total suspendedmonthly average≤ 284 kg/dall yearISL
Solids, total suspendedweekly average≤ 426 kg/dall yearISL
Oil & Greasemonthly averagereport only (mg/L)all yearISL
Oil & Greasedaily maximumreport only (mg/L)all yearISL
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearISL
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearISL
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all yearISL
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearISL
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall yearMUL
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall yearMUL
BOD, 5-day, 20 deg. Cmonthly average≤ 250 kg/dall yearMUL
BOD, 5-day, 20 deg. Cweekly average≤ 375 kg/dall yearMUL
pHminimum≥ 6 SUall yearMUL
pHmonthly average minimum≥ 9 SUall yearMUL
Solids, total suspendedmonthly average≤ 30 mg/Lall yearMUL
Solids, total suspendedweekly average≤ 45 mg/Lall yearMUL
Solids, total suspendedmonthly average≤ 250 kg/dall yearMUL
Solids, total suspendedweekly average≤ 375 kg/dall yearMUL
Oil & Greasemonthly averagereport only (mg/L)all yearMUL
Oil & Greasedaily maximumreport only (mg/L)all yearMUL
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearMUL
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearMUL
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all yearMUL
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearMUL
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall yearNOR
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall yearNOR
BOD, 5-day, 20 deg. Cmonthly average≤ 397 kg/dall yearNOR
BOD, 5-day, 20 deg. Cweekly average≤ 596 kg/dall yearNOR
pHminimum≥ 6 SUall yearNOR
pHmaximum≤ 9 SUall yearNOR
Solids, total suspendedmonthly average≤ 30 mg/Lall yearNOR
Solids, total suspendedweekly average≤ 45 mg/Lall yearNOR
Solids, total suspendedmonthly average≤ 397 kg/dall yearNOR
Solids, total suspendedweekly average≤ 596 kg/dall yearNOR
Oil & Greasemonthly averagereport only (mg/L)all yearNOR
Oil & Greasedaily maximumreport only (mg/L)all yearNOR
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearNOR
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearNOR
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all yearNOR
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearNOR
Temperature, water deg. centigrademonthly averagereport only (deg C)all yearREC
Temperature, water deg. centigradedaily maximumreport only (deg C)all yearREC
pHminimumreport only (SU)all yearREC
pHmaximumreport only (SU)all yearREC
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all yearREC
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all yearREC
Solids, total dissolvedmonthly averagereport only (mg/L)all yearSOU
Solids, total dissolveddaily maximumreport only (mg/L)all yearSOU
Solids, total dissolvedmonthly averagereport only (kg/d)all yearSOU
Solids, total dissolveddaily maximumreport only (kg/d)all yearSOU

How strict are these limits?

Cited limits by parameter: Arizona'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/AZ0026824 · MCP: https://passage-data.com/mcp