Parameters and Determinands

This page displays information extracted automatically from the authoritative sources. It is intended to include all parameters and determinands defined across the Drinking Water Standards Regulations (2022) (opens in a new tab) and the DWQAR (opens in a new tab)

The ID column is the suffix attached to the Rule IDs. For example with the Rule ID S1.1-ecol, ecol is the ID associated to a parameter or determinand in this table.

Title	ID	Type	Prefix	MAV	Mav Unit	Accepted Units	Source
1,2-dibromo-3-chloropropane		D	<=	0.00100	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1,2-dibromoethane		D	<=	0.00040	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1,2-dichlorobenzene		D	<=	1.50000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1,2-dichloroethane		D	<=	0.03000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1,2-dichloroethene		D	<=	0.06000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1,2-dichloropropane		D	<=	0.05000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1,3-dichloropropene		D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1,4-dichlorobenzene		D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1,4-dioxane		D	<=	0.05000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
2,4-D		D	<=	0.04000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
2,4-DB		D	<=	0.10000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
2,4,5-T		D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
2,4,6-trichlorophenol		D	<=	0.20000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1080 long-term		D	<=	0.00350	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
1080 short-term		D	<=	0.03500	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Acrylamide		D	<=	0.00050	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Alachlor		D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Aldicarb		D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Aldrin + dieldrin		D	<=	0.00004	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Alkalinity (Total)	alka	P				`mg/L as CaCO₃`	DWQAR (opens in a new tab)
Aluminium		D	<=	1.00000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Anatoxins (includes congeners anatoxin-a, homoanatoxin-a, dihydroanatoxin-a, dihydrohomoanatoxin-a)		D	<=	0.00600	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Antimony	anti	D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Arsenic	arse	D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Atrazine		D	<=	0.10000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Azinphos methyl		D	<=	0.10000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Barium	bari	D	<=	1.50000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Benzene		D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Benzo(α)pyrene	benz	D	<=	0.00070	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Boron	boro	D	<=	2.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Bromacil		D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Bromate		D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Bromodichloromethane	bdcm	D	<=	0.06000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Bromoform	brof	D	<=	0.10000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
C.t	c.t	P				`min.mg/L`	DWQAR (opens in a new tab)
Cadmium	cadm	D	<=	0.00400	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Calcium	calc	D				`mg/L as CaCO₃`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Carbofuran		D	<=	0.00800	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Carbon tetrachloride		D	<=	0.00500	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Chlorate	chlo	D	<=	0.80000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Chlordane		D	<=	0.00020	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Chloride	chld	D				`mg/L`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Chlorine (FAC)	fac	D	<=	5.00000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Chlorine Dioxide	clo2	D				`mg/L`	DWQAR (opens in a new tab)
Chlorite		D	<=	0.80000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Chloroform	chlf	D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Chlorotoluron		D	<=	0.04000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Chlorpyriphos		D	<=	0.04000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Chromium	chro	D	<=	0.05000	`mg/L`		WSR 2022, Schedule, Table 2 (opens in a new tab)
Colour	colo	P				`TCU` `°Hazen`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Conductivity	cond	P				`uS/cm`	DWQAR (opens in a new tab)
Copper	copp	D	<=	2.00000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Cyanazine		D	<=	0.00070	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Cyanide		D	<=	0.60000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Cyanogen chloride		D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Cylindrospermopsin		D	<=	0.00080	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
DDT + isomers		D	<=	0.00100	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Di(2-ethylhexyl)phthalate		D	<=	0.00900	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Dibromoacetonitrile		D	<=	0.08000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Dibromochloromethane	dbcm	D	<=	0.15000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Dichloroacetic acid	dcca	D	<=	0.05000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Dichloroacetonitrile		D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Dichloromethane		D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Dichlorprop		D	<=	0.10000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Differential Pressure	pres	P				`kPa` `psi` `bar`	DWQAR (opens in a new tab)
Dimethoate		D	<=	0.00800	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Diuron		D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
EDTA (edetic acid)		D	<=	0.70000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Endrin		D	<=	0.00100	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Epichlorohydrin		D	<=	0.00050	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Escherichia coli	ecol	D	<	1.00000	`cfu/100mL`	`MPN/100ml` `cfu/100mL`	WSR 2022, Schedule, Table 1 (opens in a new tab)
Ethylbenzene		D	<=	0.30000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
FACE	face	P				`mg/L`	DWQAR (opens in a new tab)
Fenoprop		D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Flow	flow	P				`mLD` `m³/hr` `L/min` `m³/day`	DWQAR (opens in a new tab)
Fluoride	fluo	D	<=	1.50000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Hardness (total)		P				`mg/L as CaCO₃`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Hardness Taste (total)		P				`mg/L as CaCO₃`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Hexachlorobutadiene		D	<=	0.00070	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Hexazinone		D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Hydroxytrazine		D	<=	0.30000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Iron	iron	D				`mg/L`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Isoproturon		D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Lead	lead	D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Lindane		D	<=	0.00200	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Log		P				`log`
Magnesium	magn	D				`mg/L as CaCO₃`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Manganese	mang	D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
MCPA		D	<=	0.80000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Mecoprop		D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Mercury	merc	D	<=	0.00700	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Metalaxyl		D	<=	0.30000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Methoxychlor		D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Metolachlor		D	<=	0.01000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Metribuzin		D	<=	0.07000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Microcystins/nodularins		D	<=	0.00100	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Molinate		D	<=	0.00700	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Monochloramine		D	<=	3.00000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Monochloroacetic acid		D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
N-Nitrosodimethylamine (NDMA)		D	<=	0.00010	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Nickel	nick	D	<=	0.08000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Nitrate and nitrite		D	<=	1.00000			WSR 2022, Schedule, Table 2 (opens in a new tab)
Nitrate, short-term	nitr	D	<=	50.00000	`mg/L as NO₃`	`mg/L as NO₃` `mg/L as NO₃-N`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Nitrilotriacetic acid (NTA)		D	<=	0.20000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Nitrite, short-term		D	<=	3.00000	`mg/L as NO₂`	`mg/L as NO₂` `mg/L as NO₂-N`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Oryzalin		D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Oxadiazon		D	<=	0.20000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Ozone residual	ozon	D				`mg/L`	DWQAR (opens in a new tab)
Pendimethalin		D	<=	0.02000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Pentachlorophenol		D	<=	0.00900	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Perchlorate		D	<=	0.08000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
PFHxS + PFOS		D	<=	0.00007	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
PFOA		D	<=	0.00056	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
pH	ph	P					DWQAR (opens in a new tab)
Picloram		D	<=	0.20000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Pirimiphos-methyl		D	<=	0.10000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Potassium	pota	D				`mg/L`	DWQAR (opens in a new tab)
Primisulfuron-methyl		D	<=	0.90000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Procymidone		D	<=	0.70000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Propazine		D	<=	0.07000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Pyriproxyfen		D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Radon		D	<=	100.00000	`Bq/L`	`Bq/L`	WSR 2022, Schedule, Table 4 (opens in a new tab)
Saxitoxins		D	<=	0.00300	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Selenium		D	<=	0.04000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
Service State	sers	P					DWQAR (opens in a new tab)
Simazine		D	<=	0.00200	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Sodium	sodi	D				`mg/L`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Sodium dichloroisocyanurate (as cyanuric acid)		D	<=	40.00000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Styrene		D	<=	0.03000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Sulphate	sulp	D				`mg/L`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Surface loading rate	surf	P				`m³/m²/h`	DWQAR (opens in a new tab)
T10 Contact Time	t10	P				`minutes`	DWQAR (opens in a new tab)
Temperture	temp	P				`°C`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)
Terbacil		D	<=	0.04000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Terbuthylazine		D	<=	0.00800	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Tetrachloroethene		D	<=	0.05000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Thiabendazole		D	<=	0.40000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Toluene		D	<=	0.80000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Total alpha activity	alph	D	<=	0.50000	`Bq/L`	`Bq/L`	WSR 2022, Schedule, Table 4 (opens in a new tab)
Total beta activity	beta	D	<=	1.00000	`Bq/L`	`Bq/L`	WSR 2022, Schedule, Table 4 (opens in a new tab)
Total coliforms	coli	D	<	1.00000	`MPN/100ml`	`cfu/100mL` `MPN/100ml`	DWQAR (opens in a new tab)
Total disinfectant	todi	P				`mg/L`	DWQAR (opens in a new tab)
Total pathogenic protozoa			<	1.00000	`verified infectious (oo)cyst per 100 L`	`verified infectious (oo)cyst per 100 L`	WSR 2022, Schedule, Table 1 (opens in a new tab)
Trichloroacetic acid	tcaa	D	<=	0.20000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Trichloroethene		D	<=	0.03000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Triclopyr		D	<=	0.10000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Triﬂuralin		D	<=	0.03000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Trihalomethanes (THMs)		D	<=	1.00000			WSR 2022, Schedule, Table 3 (opens in a new tab)
Turbidity	turb	P				`NTU`	DWQAR (opens in a new tab)
Uranium		D	<=	0.03000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 2 (opens in a new tab)
UV Dose	dose	P				`mJ/cm²`	DWQAR (opens in a new tab)
UV Intensity	uvi	P				`mW/cm²`	DWQAR (opens in a new tab)
UV Transmittance	uvt	P				`%`	DWQAR (opens in a new tab)
Vinyl chloride		D	<=	0.00030	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Water level in the contact tank	leve	P				`%`	DWQAR (opens in a new tab)
Xylenes (total)		D	<=	0.60000	`mg/L`	`mg/L`	WSR 2022, Schedule, Table 3 (opens in a new tab)
Zinc	zinc	D				`mg/L`	Aesthetic Values for Drinking Water Notice 2022 (opens in a new tab)