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Document ID us-40fo-0000-4 Title 403 Forbidden URL https://www.ecfr.gov/current/title-40/chapter-I/subchapter-N/part-428 Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-13 11:57:47.306550+00:00 Relevance inventory_targeted_fetch

6 Qualitative 36 Quantitative 0 Definitions

Q Qualitative Requirements (6)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Context	Conditions	Confidence
#R001	prohibition	operational	mandatory	Waste Dumping Prohibitions	aquatic life, other	The dumping, deposition or discharge of the following wastes from land, docks, or boats directly into receiving waters, or adjacent to such waters in any manner that may allow its being transported into the waters is prohibited: 1. Paint chips; 2. Blasting materials; 3. Paint overspray; 4. Paint spills; 5. Water contaminated with abrasive blast materials, paint, oils, fuels, lubricants, solvents, or petroleum; 6. Hydro-blast water; 7. Tank cleaning water used to remove sludge and/or dirt; 8. Clarified water from oil and water separators, except for storm water discharges treated by an oil and water separator and reported by the Discharger to the San Diego Water Board; 9. Steam cleaning water; 10. Pipe and tank hydrostatic test water; 11. Saltbox water; 12. Hydraulic oil leaks and spills; 13. Fuel leaks and spills; 14. Trash; 15. Refuse and rubbish including, but not limited to, any cans, bottles, paper, plastic, vegetable matter, or dead animals deposited or caused to be deposited by human activities; 16. Fiberglass dust; 17. Swept materials; 18. Ship repair and maintenance activity debris; 19. Waste zinc plates; 20. Marine fouling organisms except the discharge of marine fouling organism removed from unpainted, uncoated surfaces by underwater operations; 21. Demineralizer and reverse osmosis brine; 22. Oily bilge water; 23. Materials of petroleum origin in sufficient quantities to be visible; and 24. Polychlorinated biphenyl compounds, such as those used for transformer fluid.	Applicable to all boatyards and repair facilities within the San Diego Region	high
#R002	prohibition	operational	mandatory	First Flush Discharge Prohibition	aquatic life	The discharge of the first flush of storm water from each storm (first 0.25 inches of rainfall) from maintenance and repair areas, storage areas, or other onsite locations where industrial activity may occur (including floating drydocks, if any) is prohibited.	Applies to each storm event generating runoff from maintenance/repair/storage areas	high
#R003	operational	operational	mandatory	Floating Drydock Deck Cleaning Requirement	aquatic life	Prior to submergence, or flooding, the entire area of the floating drydock deck shall be cleaned by scraping, broom cleaning, and power and pressure washing or other effective best management practices (BMPs) as soon as practical.	Must be performed prior to each submergence or flooding event	high
#R004	administrative	reporting	mandatory	Onsite Permit Maintenance	other	A copy of this General Order and the NOA shall be maintained onsite at the facility, and shall be available to San Diego Water Board, State Water Board, and USEPA personnel and/or their authorized representative at all times.	Must be available at all times; electronic copies are acceptable if accessible from a facility computer	high
#R005	operational	operational	mandatory	Storm Water Pollution Prevention Plan (SWPPP) Development	aquatic life, other	The Discharger shall develop, implement, and maintain a Storm Water Pollution Prevention Plan (SWPPP) consistent with the requirements of Attachment J of this General Order.	SWPPP must address all areas where industrial activities occur including pier, float, and dock areas	high
#R006	reporting	operational	mandatory	Vessel Owner/Operator Notification	recreational water, aquatic life	The Discharger shall develop and implement a method of notifying the owner/operator of each vessel at the Dischargers leasehold of their obligation to prevent the discharge of waste and to comply with Basin Plan Prohibitions regarding the discharge of sewage from vessels as stated below.	Applies to all vessel owners/operators at the Discharger's leasehold	high

P Quantitative Requirements (36)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#R007	chemical	operational	mandatory	Annual Average NAL Zinc	wastewater	requirement	0.26 mg/L	Annual Average Numeric Action Level value	Only applicable to industrial storm water discharges	high
#R008	chemical	operational	mandatory	Annual Average NAL Copper	wastewater	requirement	0.0332 mg/L	Annual Average Numeric Action Level value	Only applicable to industrial storm water discharges	high
#R009	physical	operational	mandatory	Instantaneous Maximum NAL TSS	wastewater	requirement	400 mg/L	Instantaneous Maximum Numeric Action Level value	Two or more analytical results exceed value in a reporting year	high
#R010	physical	operational	mandatory	Annual Average NAL TSS	wastewater	requirement	100 mg/L	Annual Average Numeric Action Level value	Industrial storm water discharges	high
#R011	chemical	operational	mandatory	Annual Average NAL Total Oil & Grease	wastewater	requirement	15 mg/L	Annual Average Numeric Action Level value	Industrial storm water discharges	high
#R012	chemical	operational	mandatory	Instantaneous Maximum NAL Total Oil & Grease	wastewater	requirement	25 mg/L	Instantaneous Maximum Numeric Action Level value	Industrial storm water discharges	high
#R013	chemical	operational	mandatory	Annual Average NAL Lead	wastewater	requirement	0.262 mg/L	Annual Average Numeric Action Level value	Industrial storm water discharges	high
#R014	chemical	operational	mandatory	Annual Average NAL Chemical Oxygen Demand	wastewater	requirement	120 mg/L	Annual Average Numeric Action Level value	Industrial storm water discharges	high
#R015	chemical	operational	mandatory	Annual Average NAL Biochemical Oxygen Demand	wastewater	requirement	30 mg/L	Annual Average Numeric Action Level value	Industrial storm water discharges	high
#R016	physical	treatment	mandatory	Ballast and Flood Water Settleable Solids (Monthly)	wastewater	requirement	1.0 ml/L	Average Monthly Effluent Limitation	Discharge of ballast and flood water from floating drydocks	high
#R017	physical	treatment	mandatory	Ballast and Flood Water Turbidity (Monthly)	wastewater	requirement	75 NTU	Average Monthly Effluent Limitation	Discharge of ballast and flood water from floating drydocks	high
#R018	design	operational	mandatory	Compliance Storm Event Frequency	other	requirement	5 year	Treatment BMPs for any pollutant shall be designed for no less than a 5-year frequency	Applied to 24-hour storm events	high
#R019	chemical	health	mandatory	Receiving Water Un-ionized Ammonia	aquatic life	requirement	0.025 mg/l (as N)	The discharge of wastes shall not cause concentrations in receiving waters to exceed this level	Bays, Estuaries, and Coastal Lagoons	high
#R020	chemical	health	mandatory	Receiving Water Dissolved Oxygen Minimum	aquatic life	requirement	>= 5.0 mg/L	The dissolved oxygen concentration shall not at any time be less than this value	Bays, Estuaries, and Coastal Lagoons	high
#R021	physical	health	mandatory	Receiving Water pH Objective	aquatic life	requirement	7.0 - 9.0 Standard Units	The pH shall not be depressed below 7.0 nor raised above 9.0	Bays, Estuaries, and Coastal Lagoons	high
#R022	microbiological	health	mandatory	Ocean Water Total Coliform Standard	recreational water	requirement	1000 per 100 ml	30-day Geometric Mean for waters designated for contact recreation (REC-1)	Within a zone bounded by the shoreline and 1,000 feet or 30-foot depth contour	high
#R023	chemical	treatment	mandatory	Drydock Instantaneous Maximum Oil and Grease	wastewater	requirement	75 mg/L	Instantaneous Maximum Effluent Limitation	Discharges of ballast and flood water from floating drydocks	high
#R024	chemical	treatment	mandatory	Ballast and Flood Water Oil and Grease (Weekly)	wastewater	requirement	40 mg/L	Weekly Average Effluent Limitation	Discharge of ballast and flood water from floating drydocks	high
#R025	physical	treatment	mandatory	Ballast and Flood Water Settleable Solids (Weekly)	wastewater	requirement	1.5 ml/L	Weekly Average Effluent Limitation	Discharge of ballast and flood water from floating drydocks	high
#R026	physical	treatment	mandatory	Ballast and Flood Water Settleable Solids (Instantaneous Maximum)	wastewater	requirement	3.0 ml/L	Instantaneous Maximum Effluent Limitation	Discharge of ballast and flood water from floating drydocks	high
#R027	physical	operational	mandatory	pH Numeric Action Level (NAL) Range	other	requirement	< 6.0 or > 9.0 pH units	Instantaneous Maximum NAL range	Occurs when two or more analytical results exceed range within the reporting year	high
#R028	microbiological	health	mandatory	Receiving Water E. coli Geometric Mean Limit	recreational water	requirement	<= 100 CFU/100 mL	Six-week rolling geometric mean concentration for REC-1 waters	Salinity <= 1 ppt 95 percent or more of the time	high
#R029	physical	treatment	mandatory	Ballast and Flood Water Turbidity (Weekly)	wastewater	requirement	100 NTU	Weekly Average Effluent Limitation	Discharge of ballast and flood water from floating drydocks	high
#R030	physical	treatment	mandatory	Ballast and Flood Water Turbidity (Instantaneous Maximum)	wastewater	requirement	225 NTU	Instantaneous Maximum Effluent Limitation	Discharge of ballast and flood water from floating drydocks	high
#R031	microbiological	health	mandatory	Receiving Water Enterococci Geomean Limit	recreational water	requirement	<= 30 CFU/100 mL	Six-week rolling geometric mean concentration for REC-1 waters	Salinity > 1 ppt five percent or more of the time during the calendar year	high
#R032	microbiological	health	mandatory	Receiving Water E. coli Statistical Threshold Value	recreational water	requirement	320 CFU/100 mL	Statistical threshold value (STV) for REC-1 waters	Salinity <= 1 ppt 95 percent or more of the time; not to be exceeded more than 10 percent of samples in a calendar month	high
#R033	microbiological	health	mandatory	Shellfish Harvesting Total Coliform Median	recreational water, other	requirement	<= 70 organisms per 100 mL	Median total coliform concentration throughout the water column	Waters where shellfish harvesting for human consumption, commercial, or sports purposes is designated	high
#R034	microbiological	health	mandatory	Ocean Water Fecal Coliform Geomean Standard	recreational water	requirement	<= 200 per 100 ml	30-day Geometric Mean for REC-1 ocean waters	Within specified shoreline zones or designated water contact sports areas	high
#R035	microbiological	health	mandatory	Ocean Water Enterococcus Geomean Standard	recreational water	requirement	<= 35 per 100 ml	30-day Geometric Mean for REC-1 ocean waters	Within specified shoreline zones or designated water contact sports areas	high
#R036	microbiological	health	mandatory	Ocean Water Enterococcus Single Sample Maximum	recreational water	requirement	104 per 100 ml	Single Sample Maximum for REC-1 ocean waters	Within specified shoreline zones or designated water contact sports areas	high
#R037	operational	operational	mandatory	Flow Measurement Accuracy	other	requirement	<= 5 percent	Maximum deviation from true discharge rates	Flow measurement devices for monitored discharges	high
#R038	microbiological	health	mandatory	San Diego Bay E. coli Density Limit	aquatic life, other	requirement	<= 7 organisms per mL	Density in waters used for whole fish handling	Not to exceed in more than 20 percent of any 20 daily consecutive samples	high
#R039	microbiological	health	mandatory	Ocean Water Total Coliform Single Sample Maximum	recreational water	requirement	<= 10000 per 100 ml	Single Sample Maximum for REC-1 ocean waters	Within specified shoreline zones or designated water contact sports areas	high
#R040	physical	health	mandatory	Ocean Water pH Change Limit	aquatic life	requirement	<= 0.2 units	Maximum change from natural pH	Ocean waters	high
#R041	operational	reporting	mandatory	Duplicate Chemical Analysis Frequency	other	requirement	>= 10 percent	Minimum frequency for conducting duplicate chemical analyses	Laboratory analyses for monitoring program	high
#R042	operational	reporting	mandatory	Toxicity Test Maximum Holding Time	aquatic life	requirement	<= 72 hours	Maximum time between the conclusion of sample collection and test initiation	Chronic toxicity testing	high

D Definitions (0)

No definitions.