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Document ID us-40fo-null-22 Title 403 Forbidden URL https://www.ecfr.gov/current/title-40/chapter-I/subchapter-N/part-434 Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-13 11:57:49.412134+00:00 Relevance inventory_targeted_fetch

Q Qualitative Requirements (0)

No qualitative requirements.

P Quantitative Requirements (68)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#R001unknownhealthmandatoryChronic Toxicity Maximum Daily Effluent Limitation (Storm Water)wastewaterrequirement< 50 % EffectIndustrial storm water runoffMeasured at monitoring location SW-SDDRIS, SW-KAC, etc.high
#R002chemicaltreatmentmandatoryOil and Grease Average Monthly Effluent Limitation (Ballast)wastewaterrequirement25 mg/LBallast and flood water from floating drydockshigh
#R003chemicaltreatmentmandatoryOil and Grease Weekly Average Effluent Limitation (Ballast)wastewaterrequirement40 mg/LBallast and flood water from floating drydockshigh
#R004chemicaltreatmentmandatoryOil and Grease Instantaneous Maximum Effluent Limitation (Ballast)wastewaterrequirement75 mg/LBallast and flood water from floating drydockshigh
#R005physicaltreatmentmandatorySettleable Solids Average Monthly Effluent Limitation (Ballast)wastewaterrequirement1.0 ml/LBallast and flood water from floating drydockshigh
#R006physicaltreatmentmandatoryTotal Suspended Solids Average Monthly Effluent Limitation (Ballast)wastewaterrequirement60 mg/LBallast and flood water from floating drydockshigh
#R007physicaltreatmentmandatorypH Effluent Limitation Range (Ballast)wastewaterrequirement6.0 - 9.0 Standard UnitsBallast and flood water from floating drydocksInstantaneous minimum and maximumhigh
#R008physicaltreatmentmandatoryTemperature Effluent Limitation (Ballast)wastewaterrequirement<= 20 °FRelative to natural temperature of receiving waterAt any timehigh
#R009physicaloperationalguidelinepH Numeric Action Level (NAL) RangewastewaterOG6.0 - 9.0 pH unitsIndustrial storm water dischargesInstantaneous maximum exceedance occurs when outside this rangehigh
#R010physicaloperationalguidelineTotal Suspended Solids Annual Average NALwastewaterOG100 mg/LIndustrial storm water dischargeshigh
#R011physicaloperationalguidelineTotal Suspended Solids Instantaneous Maximum NALwastewaterOG400 mg/LIndustrial storm water dischargeshigh
#R012chemicaloperationalguidelineTotal Oil & Grease Annual Average NALwastewaterOG15 mg/LIndustrial storm water dischargeshigh
#R013chemicaloperationalguidelineZinc Total Recoverable Annual Average NALwastewaterOG0.26 mg/LBased on hardness table in 2008 MSGPhigh
#R014chemicaloperationalguidelineCopper Total Recoverable Annual Average NALwastewaterOG0.0332 mg/LBased on hardness table in 2008 MSGPhigh
#R015chemicaloperationalguidelineLead Total Recoverable Annual Average NALwastewaterOG0.262 mg/LBased on hardness table in 2008 MSGPhigh
#R016designtreatmentmandatoryFirst Flush Storm Water Discharge Prohibitionwastewaterrequirement0.25 inchesRainfall threshold for maintenance/repair area prohibitionApplies to first 0.25 inches of rainfall from each stormhigh
#R017designtreatmentmandatoryCompliance Storm Event Frequencywastewaterrequirement5 yearFrequency for treatment BMP design24-hour storm durationhigh
#R018physicalhealthmandatoryBays Dissolved Oxygen Limitationaquatic liferequirement>= 5.0 mg/LReceiving water ColumnNot at any timehigh
#R019chemicalhealthmandatoryUn-ionized Ammonia Receiving Water Limitaquatic liferequirement0.025 mg/L (as N)Bays, Estuaries, and Coastal Lagoonshigh
#R020microbiologicalhealthmandatoryPacific Ocean REC-1 Fecal Coliform Objectiverecreational waterrequirement200 per 100 ml30-day Geometric MeanWithin 1,000 feet of shoreline or 30-foot depth contourhigh
#R021chemicaloperationalguidelineOil and Grease Instantaneous Maximum NALwastewaterOG25 mg/LIndustrial storm water dischargesTwo or more results exceeding the value in a reporting yearhigh
#R022chemicaloperationalguidelineChemical Oxygen Demand Annual Average NALwastewaterOG120 mg/LIndustrial storm water dischargeshigh
#R023chemicaloperationalguidelineBiochemical Oxygen Demand Annual Average NALwastewaterOG30 mg/LIndustrial storm water dischargeshigh
#R024microbiologicalhealthmandatoryE. coli REC-1 Geometric Mean (Bays/Estuaries)recreational waterrequirement100 CFU/100 mLWaters where salinity is <= 1 ppt 95% of the timeSix-week rolling geometric mean concentrationhigh
#R025microbiologicalhealthmandatoryEnterococci REC-1 Geometric Mean (Bays/Estuaries)recreational waterrequirement30 CFU/100 mLWaters where salinity is > 1 ppt 5% of the timeSix-week rolling geometric mean concentrationhigh
#R026microbiologicalhealthmandatoryTotal Coliform Median (Shellfish Harvesting)recreational waterrequirement70 organisms per 100 mLWaters column in shellfish harvesting areasMedian concentration throughout the column for any 30-day periodhigh
#R027physicaltreatmentmandatoryTurbidity Instantaneous Maximum Effluent Limitation (Ballast)wastewaterrequirement225 NTUBallast and flood water from floating drydockshigh
#R028physicaltreatmentmandatorySettleable Solids Weekly Average Effluent Limitation (Ballast)wastewaterrequirement1.5 ml/LBallast and flood water from floating drydockshigh
#R029microbiologicalhealthmandatoryOcean REC-1 Total Coliform Geometric Mean Objectiverecreational waterrequirement1000 per 100 ml30-day Geometric Mean for Pacific OceanWithin shore-based zone or areas outside used for sportshigh
#R030microbiologicalhealthmandatoryOcean REC-1 Enterococcus Geometric Mean Objectiverecreational waterrequirement35 per 100 ml30-day Geometric Mean for Pacific OceanWithin shore-based zone or areas outside used for sportshigh
#R031physicaltreatmentmandatorySettleable Solids Instantaneous Maximum Effluent Limitation (Ballast)wastewaterrequirement3.0 ml/LBallast and flood water from floating drydocks to San Diego Bayhigh
#R032physicaltreatmentmandatoryTurbidity Average Monthly Effluent Limitation (Ballast)wastewaterrequirement75 NTUBallast and flood water from floating drydocks to San Diego Bayhigh
#R033physicaltreatmentmandatoryTurbidity Weekly Average Effluent Limitation (Ballast)wastewaterrequirement100 NTUBallast and flood water from floating drydocks to San Diego Bayhigh
#R034microbiologicalhealthmandatoryE. coli REC-1 Statistical Threshold Value (Bays/Estuaries)recreational waterrequirement320 CFU/100 mLWaters where salinity is <= 1 ppt 95% of timeNot to be exceeded more than 10 percent of samples in a calendar monthhigh
#R035microbiologicalhealthmandatoryEnterococci REC-1 Statistical Threshold Value (Bays/Estuaries)recreational waterrequirement110 CFU/100 mLWaters where salinity is > 1 ppt 5% of timeNot to be exceeded more than 10 percent of samples in a calendar monthhigh
#R036physicalhealthmandatoryAnnual Mean Dissolved Oxygen (Bays/Estuaries)aquatic liferequirement>= 7 mg/LReceiving water columnShall not be less than 7 mg/L more than 10% of the timehigh
#R037physicalhealthmandatorypH Receiving Water Range (Bays/Estuaries)aquatic liferequirement7.0 - 9.0 Standard UnitsBays, Estuaries, and Coastal LagoonsShall not be depressed below 7.0 nor raised above 9.0high
#R038microbiologicalhealthmandatoryOcean REC-1 Total Coliform Single Sample Maximumrecreational waterrequirement10000 per 100 mlPacific Ocean shoreline watersSingle sample maximum for Total coliform densityhigh
#R039physicalhealthmandatoryOcean Dissolved Oxygen Depression Limitaquatic liferequirement<= 10 percentPacific Ocean receiving watersDepression from natural background as result of oxygen demanding wastehigh
#R040unknownhealthmandatoryChronic Toxicity Maximum Daily Effluent Limitation (Ballast)wastewaterrequirement< 50 % EffectBallast and flood water from floating drydocksMeasured at monitoring location specified in NOAhigh
#R041microbiologicalhealthmandatoryTotal coliform 30-day period exceedance (Shellfish)recreational waterrequirement230 organisms per 100 mLShellfish harvesting areasNo more than 10 percent of samples collected during any 30-day periodhigh
#R042microbiologicalhealthmandatoryE. coli density (Whole fish handling)otherrequirement7 organisms per mLSan Diego Bay waters used for whole fish handlingNot to exceed in more than 20 percent of any 20 daily consecutive sampleshigh
#R043physicalhealthmandatorypH change from normal (Bays/Estuaries)aquatic liferequirement0.2 unitsBays, Estuaries, and Coastal LagoonsMaximum change from normal ambient pH at any timehigh
#R044physicalhealthmandatorypH change from natural (Ocean)aquatic liferequirement0.2 unitsPacific Ocean receiving watersMaximum change from natural background at any timehigh
#R045physicalhealthmandatoryTurbidity increase (Low natural turbidity)aquatic liferequirement20 percentLocations with natural turbidity 0 to 50 NTUIncrease attributable to controllable water quality factorshigh
#R046physicalhealthmandatoryTurbidity increase (Medium natural turbidity)aquatic liferequirement10 NTULocations with natural turbidity 50 to 100 NTUIncrease attributable to controllable water quality factorshigh
#R047physicalhealthmandatoryTurbidity increase (High natural turbidity)aquatic liferequirement10 percentLocations with natural turbidity greater than 100 NTUIncrease attributable to controllable water quality factorshigh
#R048physicalhealthmandatorySan Diego Bay Transparency Limitaquatic liferequirement8 feetSan Diego Bay water transparencyNot less than 8 feet in more than 20 percent of readingshigh
#R049physicalhealthmandatorySan Diego Bay Transparency (Shallow Water)aquatic liferequirement80 percentWater less than 10 feet deep in San Diego BayNot less than 80 percent of depth in more than 20 percent of readingshigh
#R050microbiologicalhealthmandatoryOcean REC-1 Fecal Coliform Single Sample Maxrecreational waterrequirement400 per 100 mlPacific Ocean shoreline watersSingle sample maximum for Fecal coliform densityhigh
#R051microbiologicalhealthmandatoryOcean REC-1 Enterococcus Single Sample Maxrecreational waterrequirement104 per 100 mlPacific Ocean shoreline watersSingle sample maximum for Enterococcus densityhigh
#R052designreportingmandatoryIndividual Permit Volume Thresholdwastewaterrequirement10 million gallons per yearThreshold for requiring individual NPDES permitCase where volume of discharge exceeds this levelhigh
#R053designreportingmandatoryIndividual Permit Duration Thresholdwastewaterrequirement3 yearsThreshold for requiring individual NPDES permitCase where duration of discharge exceeds this levelhigh
#R054microbiologicalhealthmandatoryTotal coliform (three-tube test limit)recreational waterrequirement330 organisms per 100 mLShellfish harvesting areas using a three-tube decimal dilution testMedian concentration throughout the water column for any 30-day periodhigh
#R055microbiologicalhealthmandatoryOcean REC-1 Total coliform (fecal ratio exceedance)recreational waterrequirement1000 per 100 mlPacific Ocean shoreline watersWhen the fecal coliform/total coliform ratio exceeds 0.1high
#R056operationaloperationalmandatoryDuplicate chemical analysis frequencywastewaterrequirement10 percentLaboratory quality assurance for all chemical analysesMinimum frequency for conducting duplicate analyseshigh
#R057operationaloperationalrecommendedLaboratory analysis success rate goalwastewaterOG>= 80 percentLaboratory quality assurance plan success ratehigh
#R058chemicalreportingmandatoryRoutine toxic pollutant notification levelwastewaterrequirement100 µg/LManufacturing, commercial, mining, and silvicultural DischargersNotification required if routine discharge of toxic pollutant not limited in permit exceeds this levelhigh
#R059chemicalreportingmandatoryAcrolein and acrylonitrile notification levelwastewaterrequirement200 µg/LRoutine or frequent toxic pollutant dischargeshigh
#R060chemicalreportingmandatorySpecific dinitrophenols notification levelwastewaterrequirement500 µg/LRoutine or frequent discharge of 2,4-dinitrophenol and 2-methyl-4,6-dinitrophenolhigh
#R061chemicalreportingmandatoryAntimony notification level (routine)wastewaterrequirement1 mg/LRoutine or frequent toxic pollutant dischargeshigh
#R062chemicalreportingmandatoryNon-routine toxic pollutant notification levelwastewaterrequirement500 µg/LNon-routine or infrequent toxic pollutant dischargeshigh
#R063chemicalreportingmandatoryAntimony notification level (non-routine)wastewaterrequirement1 mg/LNon-routine or infrequent toxic pollutant dischargeshigh
#R064physicalhealthmandatoryLagoon/Estuary Transparency Limitaquatic liferequirement>= 50 percent of depthTransparency of waters in lagoons and estuariesExcept where lesser transparency is caused by rainfall runoff or dredginghigh
#R065designoperationalmandatoryFlow Measurement Device Accuracywastewaterrequirement<= 5 percentFlow measurement devices and methodsThroughout the range of expected discharge volumeshigh
#R066operationaloperationalmandatoryToxicity Test Holding Time Maximumwastewaterrequirement<= 72 hoursToxicity test initiationTime between conclusion of sample collection and test initiationhigh
#R067operationalreportingmandatoryNoncompliance Written Report Deadlinewastewaterrequirement5 daysReporting noncompliance that may endanger health or environmentFollowing 24-hour oral reporthigh
#R068operationalreportingmandatoryCEDEN Data Upload Deadlinewastewaterrequirement90 daysReceiving water and sediment monitoring resultsAfter the completion of monitoringhigh

D Definitions (0)

No definitions.