Drinking Water for New Zealand

Managed by ESR for the Ministry of Health. Data extracted from the National WINZ Database.

Priority 2 Determinands at July 2004

In the 2004 printed Register, 449 Priority 2 determinands were assigned: 52 to 51 treatment plants and 397 to 193 distribution zones. The following table indicates the July 2003 situation, as in the printed document.

Treatment Plants (July 2004)

Abbreviation	Determinand	Assigned	Population
As	Arsenic	1	900
ClO3	Chlorate	4	7,100
F	Fluoride	47	2,386,446*
NO3	Nitrate (as NO3)	1	14,942

* there may be some duplication of provision in this value.

Distribution Zones (July 2004)

Abbreviation	Determinand	Assigned	Population
Aggress	Aggressive water	14	240,478
AggToR	Aggressiveness to be resolved	3	50,477
As	Arsenic	22	113,097
B	Boron	2	2,552
Cd	Cadmium	22	33,627
CHBCl2	Bromodichloromethane	4	14,080
ClO3	Chlorate	1	44,000
Cu	Copper	21	42,386
DCA	Dichloroacetic acid	17	54,870
F	Fluoride	1	1,152
MAVHAA	MAV sum ratio for HAAs (halo acetic acids)	39	152,469
MAVTHM	MAV sum ratio for THMs (trihalomethanes)	20	83,920
Mn	Manganese	1	600
Ni	Nickel	52	455,720
NO3	Nitrate (as NO3)	4	83,400
Pb	Lead	112	455,971
Sb	Antimony	6	122,894
T3CALD	Trichloroacetaldehyde	44	229,238
TCA	Trichloroacetic acid	12	36,123