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Document ID ca-mief-2024-07-12 Title Mining Effluent URL unknown Jurisdiction /ca Subdomain(s) none Language Status completed Analyzed at 2026-05-13 15:06:30.826470+00:00 Relevance inventory_targeted_fetch

0 Qualitative 51 Quantitative 50 Definitions

Q Qualitative Requirements (0)

No qualitative requirements.

P Quantitative Requirements (51)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#R001	operational	operational	mandatory	Minimum disinfectant residual concentration	drinking water	requirement	> 0.2 mg/L	There is increasing recognition that a minimum disinfectant residual concentration greater than 0.2 mg/L is required to control microbiological (re)growth in the distribution system.	Required to control microbiological (re)growth in the distribution system	high
#R002	operational	operational	recommended	Free chlorine residual for biofilm control	drinking water	requirement	1.0 mg/L	Studies indicate that disinfectant residual concentrations in the order of 1.0 mg/L free chlorine (for systems that chlorinate) [...] are required for controlling biofilm formation	For systems that chlorinate	high
#R003	operational	operational	recommended	Total chlorine residual for biofilm control	drinking water	requirement	1.8 mg/L	Studies indicate that disinfectant residual concentrations in the order of [...] 1.8 mg/L total chlorine (for systems that chloraminate) are required for controlling biofilm formation	For systems that chloraminate	high
#R004	physical	operational	recommended	Cold water temperature in premise plumbing	drinking water	requirement	< 20 °C	keeping temperatures of cold and hot water systems outside of the ideal range for microorganism growth (e.g., cold water less than 20°C)	Premise plumbing system management	high
#R005	physical	health	mandatory	Hot water tank temperature	drinking water	requirement	> 60 °C	keeping temperatures of [...] hot water tank temperature greater than 60°C	Premise plumbing system management; NPC specifications	high
#R006	physical	operational	recommended	Hot water line distal point temperature	drinking water	treatment_goal	> 55 °C	hot water lines at distal points ideally greater than 55°C	Premise plumbing system management	high
#R007	microbiological	health	guideline	Legionella concentration action level	drinking water	requirement	50000 CFU/L	a Legionella concentration of 50,000 CFU/L warrants concern and should be considered an action level to trigger remedial activities	Applies to various water systems (cooling towers, buildings, etc.)	high
#R008	physical	health	mandatory	Maximum water outlet temperature at the tap	drinking water	requirement	<= 49 °C	The NPC specifies that water valves supplying showerheads and bathtubs should be capable of maintaining a water outlet temperature that does not exceed 49°C in order to reduce the risk of scalding	Showerheads and bathtubs	high
#R009	operational	health	recommended	Free chlorine residual for Naegleria fowleri control	drinking water	requirement	0.5 mg/L	Maintaining a minimum free chlorine residual of 0.5 mg/L throughout the distribution system is recommended for the control of N. fowleri in vulnerable drinking water systems	Vulnerable drinking water systems	high
#R010	operational	health	recommended	Chloramine residual best practice for Naegleria fowleri	drinking water	treatment_goal	> 1.5 mg/L	The suggested best practice for a chloramine residual of greater than 1.5 mg/L throughout the distribution system (Health Canada, 2020b) is sufficient for N. fowleri control	Distribution system residual maintenance	high
#R011	microbiological	operational	guideline	Aeromonas operational target limit	drinking water	OG	< 1000 CFU/100 mL	In the Netherlands, Dutch drinking water legislation specifies a monitoring requirement for Aeromonas as an operational parameter.	Based on treatment achievability, not public health significance	high
#R012	microbiological	health	guideline	Legionella action level (EU Directive)	drinking water	MAC	1000 CFU/L	The 2020 European Union Drinking Water Directive includes an action level for Legionella in premise plumbing systems.	Premise plumbing systems	high
#R013	operational	operational	recommended	Free chlorine residual for Pseudomonas control	drinking water	OG	> 0.3 mg/L	Laboratory-scale and pilot-scale studies suggest that maintaining free chlorine residuals above 0.3 mg/L is useful for control of Pseudomonas spp. in bulk water.	Bulk water control; long-term continuous exposure recommended	high
#R014	operational	operational	recommended	Free chlorine residual for Legionella in healthcare	drinking water	OG	0.3 - 0.5 mg/L	Guidance materials on Legionella control in plumbing systems for health-care facilities have recommended minimum disinfectant residual targets.	Health-care facility plumbing systems	high
#R015	operational	operational	recommended	Monochloramine residual for Legionella in healthcare	drinking water	OG	1.5 mg/L	Guidance materials on Legionella control in plumbing systems for health-care facilities have recommended minimum disinfectant residual targets.	Health-care facility plumbing systems	high
#R016	physical	treatment	recommended	Thermal shock (heat shock) remediation	drinking water	treatment_goal	70 °C	Temporarily elevating the water temperature, or heat shock (e.g., a stringent thermal shock of 70°C for 30 minutes), has been utilized as a control measure.	Extreme remediation measure for building systems	high
#R017	operational	treatment	recommended	Free chlorine CT for 2-log inactivation of biofilm-associated Legionella pneumophila	drinking water	requirement	8.86 mg∙min/L	CT values were determined for Legionella pneumophila strain Philadelphia-1 serogroup 1 when associated with biofilm on PVC material.	pH = 8, temperature = 21 °C; associated with biofilm on PVC	high
#R018	operational	treatment	recommended	Monochloramine CT for 2-log inactivation of biofilm-associated Legionella pneumophila	drinking water	requirement	17.16 mg∙min/L	CT values were determined for Legionella pneumophila strain Philadelphia-1 serogroup 1 when associated with biofilm on PVC material.	pH = 8, temperature = 21 °C; associated with biofilm on PVC	high
#R019	operational	treatment	guidance	Free chlorine CT for Naegleria fowleri cysts (4-log inactivation)	drinking water	requirement	31 - 37 mg∙min/L	Relative CT values for various waterborne pathogens, free chlorine.	5-25°C, pH 6-9; 4-log inactivation	high
#R020	operational	treatment	guidance	Free chlorine CT for Mycobacterium avium (3-log removal)	drinking water	requirement	51 - 1552 mg∙min/L	Relative CT values for various waterborne pathogens, free chlorine.	5-25°C, pH 6-9; 3-log removal	high
#R021	operational	treatment	guidance	Free chlorine CT for Acanthamoeba species cysts (2-log inactivation)	drinking water	requirement	1300 mg∙min/L	Relative CT values for various waterborne pathogens, free chlorine.	5-25°C, pH 6-9; 2-log inactivation	high
#R022	operational	treatment	guidance	UV dose for Naegleria fowleri cysts (4-log inactivation)	drinking water	requirement	121 mJ/cm2	Relative UV dose requirements for various waterborne pathogens (4 log inactivation).	4-log inactivation	high
#R023	operational	treatment	guidance	UV dose for Acanthamoeba spp. cysts (4-log inactivation)	drinking water	requirement	167 mJ/cm2	Relative UV dose requirements for various waterborne pathogens (4 log inactivation).	4-log inactivation	high
#R024	operational	treatment	guidance	UV dose for Adenovirus (4-log inactivation)	drinking water	requirement	51 - 261 mJ/cm2	Relative UV dose requirements for various waterborne pathogens (4 log inactivation).	4-log inactivation	high
#R025	operational	treatment	recommended	Free chlorine CT for 3-log inactivation of biofilm-associated Legionella pneumophila	drinking water	requirement	36.11 mg∙min/L	CT values determined for Legionella pneumophila strain Philadelphia-1 serogroup 1 associated with biofilm on PVC	pH = 8, temperature = 21 °C	high
#R026	operational	treatment	recommended	Free chlorine CT for 4-log inactivation of biofilm-associated Legionella pneumophila	drinking water	requirement	63.67 mg∙min/L	CT values determined for Legionella pneumophila strain Philadelphia-1 serogroup 1 associated with biofilm on PVC	pH = 8, temperature = 21 °C	high
#R027	operational	treatment	recommended	Monochloramine CT for 3-log inactivation of biofilm-associated Legionella pneumophila	drinking water	requirement	62.80 mg∙min/L	CT values determined for Legionella pneumophila strain Philadelphia-1 serogroup 1 associated with biofilm on PVC	pH = 8, temperature = 21 °C	high
#R028	operational	treatment	recommended	Monochloramine CT for 4-log inactivation of biofilm-associated Legionella pneumophila	drinking water	requirement	108.44 mg∙min/L	CT values determined for Legionella pneumophila strain Philadelphia-1 serogroup 1 associated with biofilm on PVC	pH = 8, temperature = 21 °C	high
#R029	operational	treatment	recommended	Contact time for 2-log inactivation of biofilm-associated Legionella (0.2 mg/L Free Chlorine)	drinking water	requirement	44.3 minutes	Required time in a distribution system for 2 log inactivation based on Table 3 CT values	Assuming 0.2 mg/L Free Chlorine residual	high
#R030	operational	treatment	recommended	Contact time for 2-log inactivation of biofilm-associated Legionella (1.0 mg/L Monochloramine)	drinking water	requirement	17.2 minutes	Required time in a distribution system for 2 log inactivation based on Table 3 CT values	Assuming 1.0 mg/L Monochloramine residual	high
#R031	operational	treatment	guidance	UV dose for Cryptosporidium and Giardia (4-log inactivation)	drinking water	treatment_goal	22 mJ/cm2	Relative UV dose requirements for 4 log inactivation	4-log inactivation	high
#R032	operational	treatment	guidance	Free chlorine CT for Aeromonas species (2-log inactivation)	drinking water	requirement	0.2 - 1.4 mg∙min/L	Relative CT values for various waterborne pathogens, Free chlorine	5-25°C, pH 6-9; 2-log inactivation	high
#R033	operational	treatment	guidance	Free chlorine CT for Pseudomonas species (2-log inactivation)	drinking water	requirement	0.0073 - 4.3 mg∙min/L	Relative CT values for various waterborne pathogens, free chlorine.	5-25°C, pH 6-9; 2-log inactivation	high
#R034	operational	treatment	guidance	Free chlorine CT for E. coli, Campylobacter, Helicobacter, Salmonella, and Yersinia (2-log inactivation)	drinking water	requirement	0.034 - 5.1 mg∙min/L	Relative CT values for various waterborne pathogens, free chlorine.	5-25°C, pH 6-9; 2-log inactivation	high
#R035	operational	treatment	guidance	Free chlorine CT for Enteric viruses (2-log inactivation)	drinking water	requirement	0.01 - 12 mg∙min/L	Relative CT values for various waterborne pathogens, free chlorine.	5-25°C, pH 6-9; 2-log inactivation	high
#R036	operational	treatment	guidance	Free chlorine CT for Legionella pneumophila (3 to 4-log removal)	drinking water	requirement	0.1 - 0.3 mg∙min/L	Relative CT values for various waterborne pathogens, free chlorine.	5-25°C, pH 6-9; 3-4 log removal	high
#R037	operational	treatment	guidance	Free chlorine CT for Giardia cysts (2-log inactivation)	drinking water	requirement	25 - 99 mg∙min/L	Relative CT values for various waterborne pathogens, free chlorine.	5-25°C, pH 6-9; 2-log inactivation	high
#R038	design	treatment	guideline	Typical design CT for 4 log virus inactivation	drinking water	requirement	12 - 15 mg∙min/L	Typical design CTs that are required to achieve 4 log virus inactivation	Standard design conditions for virus inactivation	high
#R039	design	treatment	guideline	Typical design CT for 0.5 log Giardia inactivation	drinking water	requirement	35 - 65 mg∙min/L	Typical design CTs that are required to achieve 0.5 log Giardia inactivation	Standard design conditions for Giardia inactivation	high
#R040	operational	treatment	guidance	UV dose for Pseudomonas species (4-log inactivation)	drinking water	requirement	3.1 mJ/cm2	Relative UV dose requirements for various waterborne pathogens (4 log inactivation).	4-log inactivation	high
#R041	operational	treatment	guidance	UV dose for Aeromonas species (2-log removal)	drinking water	requirement	2.5 - 8 mJ/cm2	Relative UV dose requirements for various waterborne pathogens	2-log removal	high
#R042	operational	treatment	guidance	UV dose for Legionella pneumophila (4-log inactivation)	drinking water	requirement	11 - 30 mJ/cm2	Relative UV dose requirements for various waterborne pathogens (4 log inactivation).	4-log inactivation	high
#R043	operational	treatment	guidance	UV dose for E. coli, Campylobacter, Helicobacter, Salmonella, and Yersinia (4-log inactivation)	drinking water	requirement	5 - 51 mJ/cm2	Relative UV dose requirements for various waterborne pathogens (4 log inactivation).	4-log inactivation	high
#R044	operational	treatment	guidance	UV dose for Hepatitis A, Coxsackievirus, Poliovirus, and Rotavirus (4-log inactivation)	drinking water	requirement	16.4 - 61 mJ/cm2	Relative UV dose requirements for various waterborne pathogens (4 log inactivation).	4-log inactivation	high
#R045	operational	treatment	guidance	UV dose for Mycobacterium avium (4-log inactivation)	drinking water	requirement	12.3 - 64 mJ/cm2	Relative UV dose requirements for various waterborne pathogens (4 log inactivation).	4-log inactivation	high
#R046	operational	treatment	guidance	UV dose for high-resistance strains of Mycobacterium species (2 to 5-log removal)	drinking water	requirement	96 - 192 mJ/cm2	Relative UV dose requirements for various waterborne pathogens	2 to 5-log removal	high
#R047	operational	treatment	recommended	Contact time for 2-log inactivation of biofilm-associated Legionella (0.5 mg/L Free Chlorine)	drinking water	requirement	17.7 minutes	Required time in a distribution system for 2 log inactivation based on Table 3 CT values	Assuming 0.5 mg/L Free Chlorine residual	high
#R048	operational	treatment	recommended	Contact time for 2-log inactivation of biofilm-associated Legionella (1.0 mg/L Free Chlorine)	drinking water	requirement	8.9 minutes	Required time in a distribution system for 2 log inactivation based on Table 3 CT values	Assuming 1.0 mg/L Free Chlorine residual	high
#R049	operational	treatment	recommended	Contact time for 2-log inactivation of biofilm-associated Legionella (1.5 mg/L Monochloramine)	drinking water	requirement	11.4 minutes	Required time in a distribution system for 2 log inactivation based on Table 3 CT values	Assuming 1.5 mg/L Monochloramine residual	high
#R050	operational	treatment	recommended	Contact time for 2-log inactivation of biofilm-associated Legionella (1.8 mg/L Monochloramine)	drinking water	requirement	9.5 minutes	Required time in a distribution system for 2 log inactivation based on Table 3 CT values	Assuming 1.8 mg/L Monochloramine residual	high
#R051	operational	treatment	recommended	Thermal shock (heat shock) duration	drinking water	treatment_goal	30 minutes	heat shock (e.g., a stringent thermal shock of 70°C for 30 minutes)	Remediation measure in building systems	high

D Definitions (50)

Req ID	Name	Context	Confidence
#D001	Recreational waters	any natural fresh, marine or estuarine bodies of water that are used for recreational purposes; this includes lakes, rivers, and human-made constructions (e.g., quarries, artificial lakes) that are filled with untreated natural waters.	high
#D002	Cyanobacteria	bacteria that share features with algae, such as oxygen-producing photosynthesis using their blue-green photosynthetic pigments; hence, historically they have been termed blue-green algae (WHO, 2021).	high
#D003	Microcystins (MC)	hepatotoxins that belong to the cyclic peptide group of toxins.	high
#D004	Anatoxins	neurotoxins that interfere with the activity of the nerve transmitter acetylcholine.	high
#D005	Cylindrospermopsins	primarily categorized as a hepatotoxin, although they have also been shown to exert cytotoxicity in other organs such as the kidney, spleen, thymus, heart and gastrointestinal tract (WHO, 2020a).	high
#D006	Nodularins	hepatotoxins usually caused by strains of the brackish-water cyanobacterial genus Nodularia although additional species, such as cyanobacteria from the genus Nostoc, have been reported to be capable of producing the toxin.	high
#D007	Saxitoxins	group of toxins that include saxitoxin, neosaxitoxin, gonyautoxins, C-toxins, decarbamoylsaxitoxins and lyngbyatoxins (WHO, 2020b).	high
#D008	Chlorophyll a	a photosynthetic green pigment present in cyanobacteria and other phytoplankton (Fiedor et al., 2008; Søndergaard et al., 2011).	high
#D009	ALS	amyotrophic lateral sclerosis	high
#D010	ALS-PDC	amyotrophic lateral sclerosis/parkinsonism–dementia complex	high
#D011	BMAA	β-methylamino-L-alanine	high
#D012	bw	body weight	high
#D013	CI	confidence interval	high
#D014	DNA	deoxyribonucleic acid	high
#D015	ELISA	enzyme-linked immunosorbent assay	high
#D016	HABs	hazardous algal blooms	high
#D017	HBV	health-based value	high
#D018	HPLC	high-performance liquid chromatography	high
#D019	LC	liquid chromatography	high
#D020	LOAEL	lowest-observed-adverse-effect level	high
#D021	MC	microcystin variant (e.g., MC-LR, MC-LA, MC-YA, MC-RR, MC-YR)	high
#D022	MS	mass spectrometry	high
#D023	MS/MS	tandem mass spectrometry	high
#D024	NOAEL	no-observed-adverse-effect level	high
#D025	PCR	polymerase chain reaction	high
#D026	PDA	photodiode array	high
#D027	PPIA	protein phosphatase inhibition assay	high
#D028	PSP	paralytic shellfish poisoning	high
#D029	qPCR	quantitative polymerase chain reaction	high
#D030	rRNA	ribosomal ribonucleic acid	high
#D031	TDI	tolerable daily intake	high
#D032	TEQ	toxic equivalency	high
#D033	UF	uncertainty factor	high
#D034	UHPLC	ultra-high-performance liquid chromatography	high
#D035	US	United States	high
#D036	US EPA	United States Environmental Protection Agency	high
#D037	UV	ultraviolet	high
#D038	UVPDA	ultraviolet photodiode array	high
#D039	WHO	World Health Organization	high
#D040	Total cyanobacteria cell counts	a measure of planktonic cyanobacteria biomass that can be used to indicate that a bloom is developing.	high
#D041	Cyanobacteria biovolume	a measure of the planktonic cyanobacteria biomass in a water sample. It is obtained from cell counts by determining the average cell volume for each taxon or unit counted and then multiplying this value by the cell counts for the sample (Padisák et al., 2021).	high
#D042	cyanobacteria bloom	intense proliferations, creating a visible discoloration and accumulation of cells	high
#D043	Phycocyanin	a photosynthetic accessory pigment to chlorophyll a	high
#D044	primary contact activities	recreational activities that could present a human health risk through intentional or incidental immersion and ingestion (e.g., swimming, bathing, wading, windsurfing and waterskiing)	high
#D045	secondary contact activities	recreational activities that could present a human health risk through intentional or incidental immersion and ingestion (e.g., canoeing, boating or fishing).	high
#D046	Lipopolysaccharides (LPS)	the component of the cyanobacterial cell wall	high
#D047	epilimnion	the mixed water layer	high
#D048	Intracellular cyanotoxins	produced by a variety of cyanobacteria (although not all cyanobacteria) and are associated with various harmful effects on humans	high
#D049	CESI	Canadian Environmental Sustainability Indicators	high
#D050	Disposal at sea	A permit system to control the disposal of non-hazardous substances into the sea and protect the marine environment.	high