Western Australian Current Regulations

WATER SERVICES (WATER CORPORATIONS CHARGES) REGULATIONS 2014 - SCHEDULE 4

[r. 24, 39 and 41]

        [Heading inserted: SL 2024/117 r. 9.]

Division 1  — Service charges

        [Heading inserted: SL 2024/117 r. 9.]

1.         Service charges for 2024/25 and subsequent years

                The charges set out in this Division apply for sewerage services provided in the 2024/25 financial year and each subsequent year.

2.         Metropolitan residential

        (1)         For each residential property in the metropolitan area that —

            (a)         is not covered by item 4 or 5; and

            (b)         is not a caravan park or a nursing home,

                the charge, per dwelling on the land, is —

up to $20 000 GRV         4.446 cents/$

        of GRV

over $20 000 GRV         3.855 cents/$

        of GRV

        (2)         The minimum charge per dwelling
under this item is         $481.14

3.         Metropolitan vacant land

        (1)         For land in the metropolitan area that is
classified as vacant land, the charge is         2.456 cents/$

        of GRV

        (2)         The minimum charge under this item is         $361.76

4.         Metropolitan concessional

        (1)         For land in the metropolitan area that is classified as —

            (a)         aged home; or

            (b)         charitable purposes or community
purpose,

                the charge, according to the classification of the land and the number of major fixtures on the land, is the sum of the discounted charges for each fixture, as set out in the Table to this sub‑item.

Table of major fixture‑based charges and discounts

		Aged home		Charitable purposes or community purpose
	Charge $	Discount $	Discounted charge $	Discount $	Discounted charge $
1 st         fixture	1 155.37	844.95	310.42	844.95	310.42
2 nd         fixture	494.56	357.99	136.57	184.14	310.42
3 rd         fixture	660.48	523.91	136.57	350.06	310.42
4 th         and subsequent fixtures	718.23	581.66	136.57	407.81	310.42

        (2)         For concessional land in the metropolitan area which, although a sewerage service is provided, is not connected to sewerage works of the Water Corporation, the charge is the discounted charge set out in the Table to this sub‑item.

Table of charge and discount

Charge $	Discount $	Discounted charge $
1 155.37	1 155.37	0.00

5.         Strata‑titled long‑term residential caravan bays and park homes

                For a strata‑titled caravan bay, a long‑term
residential caravan bay or a park home,
the charge is         $369.46

6.         Storage units or parking bays in strata titles scheme or community titles scheme

                For a lot that is used for storage purposes or
as a parking bay, in a strata titles scheme or a
community titles scheme, the charge is         $114.50

7.         Land from which trade waste is discharged into sewer

        (1)         For land from which there is a discharge
of trade waste into a sewer of the Water
Corporation under an approval of the Water
Corporation, the charge is         $252.32

        (2)         The charge under this item is in addition to any other charge applicable to the land under this Schedule.

8.         Land from which trade waste is discharged into sewer through grease arrestor

        (1)         For land from which there is a discharge of trade waste into a sewer of the Water Corporation through one or more grease arrestors under an approval of the Water Corporation, the charge is $100.81 for each grease arrestor.

        (2)         The charge under this item is in addition to any other charge applicable to the land under this Schedule.

9.         Trade waste discharged from open area

        (1)         For land from which there is a discharge
of trade waste from an open area under
an approval of the Water Corporation,
the charge is         $1.76/m ²

of open area

        (2)         The charge under this item is in addition to any other charge applicable to the land under this Schedule.

10.         Non‑metropolitan concessional

        (1)         For land in the non‑metropolitan area that is classified as aged home, charitable purposes, community purpose, institutional public or local government, the charge, according to the number of major fixtures on the land, is the sum of the discounted charges for each fixture, as set out in the Table to this sub‑item.

Table of charges and discounts

	Charge $	Discount $	Discounted charge $
1 st         fixture	1 155.37	844.95	310.42
2 nd         fixture	494.56	357.99	136.57
3 rd         fixture	660.48	523.91	136.57
4 th         and subsequent fixtures	718.23	581.66	136.57

        (2)         For concessional land in the non‑metropolitan area which, although a sewerage service is provided, is not connected to sewerage works of the Water Corporation, the charge is the discounted charge set out in the Table to this sub‑item.

Table of charge and discount

Charge $	Discount $	Discounted charge $
1 155.37	1 155.37	0.00

11.         Community residential

                For land that is classified as community residential, the charge, according to the number of major fixtures on the land, is the sum of the discounted charges for each fixture, as set out in the Table, according to whether the Housing Authority agrees to be responsible for payment of the charge.

Table of charges and discounts

		If Housing Authority responsible for payment of charge		In any other case
	Charge $	Discount $	Discounted charge $	Discount $	Discounted charge $
1 st         fixture	1 155.37	1 023.10	132.27	1 155.37	0.00
2 nd         fixture	494.56	362.29	132.27	494.56	0.00
3 rd         fixture	660.48	528.21	132.27	660.48	0.00
4 th         and subsequent fixtures	718.23	585.96	132.27	718.23	0.00

12.         Non‑metropolitan residential or vacant land

        (1)         This item does not apply to land to which any other item in this Schedule applies.

        (2)         For residential land in the non‑metropolitan area that is in a sewerage area referred to in the Table, the charge, per dwelling on the land, is, subject to sub‑items (3) and (4), the amount worked out by multiplying the GRV of the dwelling by the relevant rate for the sewerage area set out in the Table for residential land.

        (3)         The minimum charge per dwelling
under sub‑item (2) is         $481.14

        (4)         The maximum charge per dwelling
under sub‑item (2) is         $1 313.55

        (5)         For vacant land in the non‑metropolitan area that is in a sewerage area referred to in the Table, the charge is, subject to sub‑items (6) and (7), the amount worked out by multiplying the GRV of the land by the relevant rate for the sewerage area set out in the Table for vacant land.

        (6)         The minimum charge under sub‑item (5) is         $316.60

        (7)         The maximum charge under
sub‑item (5) for vacant land that is
held for residential purposes is         $1 313.55

Table of rates for sewerage areas

Sewerage area	Residential rate cents/$ of GRV	Vacant land rate cents/$ of GRV
Albany	12.774	29.003
Augusta	7.405	11.591
Australind	5.497	5.550
Beverley	14.319	51.525
Binningup	10.356	32.303
Boddington	34.379	250.758
Boyanup	10.134	26.070
Bremer Bay	13.525	19.528
Bridgetown	36.596	166.986
Broome	9.172	20.798
Brunswick	11.875	27.181
Bruce Rock	67.700	448.389
Bunbury	10.531	14.003
Burekup	9.125	8.774
Busselton	5.532	5.160
Capel	7.164	12.055
Carnarvon	10.388	24.933
Cervantes	9.839	17.490
Collie	13.881	43.622
Coral Bay	228.052	1 145.013
Corrigin	26.950	181.208
Cowaramup	4.559	3.863
Cranbrook	13.739	87.051
Cunderdin	25.155	87.003
Dalyellup	3.314	6.917
Dardanup	21.193	66.533
Denham	11.059	21.529
Denmark	25.492	66.251
Derby	12.445	66.124
Dongara/Denison	13.069	34.145
Donnybrook	27.767	95.169
Dunsborough	5.459	3.998
Eaton	8.333	10.324
Eneabba	24.170	186.339
Esperance	7.787	16.019
Exmouth	2.102	3.895
Fitzroy Crossing	9.218	16.503
Geraldton	9.663	19.997
Gnowangerup	14.753	71.613
Greenhead	7.488	22.030
Halls Creek	16.222	137.501
Harvey	11.201	21.247
Hopetoun	52.627	175.252
Horrocks	23.529	29.916
Hyden	89.822	510.423
Jurien	3.915	8.362
Kalbarri	9.494	19.063
Kambalda	9.390	80.376
Karratha	2.815	6.980
Katanning	13.603	74.385
Kellerberrin	24.663	321.946
Kojonup	20.311	173.180
Kulin	40.312	992.216
Kununurra	7.389	20.893
Lancelin	18.130	20.675
Laverton	25.415	977.740
Ledge Point	7.581	15.399
Leeman	13.473	33.273
Leonora	2.235	94.764
Mandurah	6.876	7.229
Manjimup	16.027	44.085
Margaret River	12.014	20.470
Meckering	91.048	531.836
Merredin	14.789	96.246
Mount Barker	16.341	44.016
Mukinbudin	29.925	309.124
Nannup	11.733	26.870
Narembeen	23.031	367.847
Narrogin	11.955	26.908
Newdegate	36.007	522.372
Newman	1.289	1.120
Northam	13.842	48.391
Onslow	3.903	10.099
Pemberton	23.111	103.136
Pingelly	18.158	149.693
Pinjarra	9.415	11.691
Port Hedland	6.509	22.677
Prevelly	8.773	12.840
Quairading	23.746	127.445
Roebourne	22.130	467.834
Seabird	61.956	198.381
Tambellup	52.013	730.769
Three Springs	4.922	69.876
Toodyay	7.887	30.056
Wagin	14.420	114.532
Walpole	14.964	44.029
Waroona	9.187	22.597
Wickham	8.174	141.559
Williams	25.345	124.030
Wiluna	16.535	15.825
Wongan Hills	15.255	68.971
Wundowie	18.655	56.798
Wyalkatchem	28.075	332.707
Wyndham	39.395	328.799
York	1.603	5.357
Yunderup	5.357	6.941

        [Division 1 inserted: SL 2024/117 r. 9.]

Division 2  — Combined charges for certain non‑residential property

        [Heading inserted: SL 2024/117 r. 9.]

Subdivision 1 — Preliminary

        [Heading inserted: SL 2024/117 r. 9.]

13.         Combined charges for 2024/25 and subsequent years

                The charges set out in this Division apply for sewerage services provided and wastewater discharged in the 2024/25 financial year and each subsequent year.

Subdivision 2 — Combined charges: metropolitan

        [Heading inserted: SL 2024/117 r. 9.]

14.         Metropolitan non‑residential

                For land in the metropolitan area that —

            (a)         is not contained in a residential property; and

            (b)         is not covered by item 3, 4, 5, 6, 15, 16, 17 or 18,

                the charge is —

where —

P         is the service charge calculated in accordance with item 19;

Q         is the discharge charge calculated in accordance with item 20.

15.         Metropolitan government trading organisation and non‑commercial government property

        (1)         For land in the metropolitan area held by a government trading organisation or a public authority that holds non‑commercial government property, the charge is —

where —

Y         is the charge according to the number of connected major fixtures calculated in accordance with item 19;

Q         is the discharge charge calculated in accordance with item 20.

        (2)         Sub‑item (1) does not apply to public land.

16.         Metropolitan non‑strata titled caravan park with long‑term residential caravan bays

                For a caravan park in the metropolitan area that —

            (a)         does not consist wholly of strata‑titled caravan bays; and

            (b)         has long‑term residential caravan bays,

                the charge is —

where —

AA         is $369.46 for each long‑term residential caravan bay;

AB         is, for those parts of the caravan park not contained in long‑term residential caravan bays —

where —

Y         is the charge according to the number of connected major fixtures calculated in accordance with item 19;

Q         is the discharge charge calculated in accordance with item 20.

17.         Metropolitan nursing home

                For a nursing home in the metropolitan area, other than a nursing home that is, or is part of, an aged home, the charge is —

where —

Q         is the discharge charge calculated in accordance with item 20;

T         is ;

U         is the number of beds in the nursing home;

V         is $209.06.

18.         Certain metropolitan units

                For land in the metropolitan area —

            (a)         that is contained in a lot; and

            (b)         that is classified as non‑residential; and

            (c)         that is not covered by item 5 or 6; and

            (d)         that shares one or more major fixtures, that discharge into a sewer of the Water Corporation, with other such land and has no other major fixtures that discharge into such a sewer; and

            (e)         for which the number of major fixtures shared by all units on the relevant scheme plan for a strata titles scheme or a community titles scheme is less than the number of those units,

                the charge is —

where —

T         is $718.23;

Q         is the discharge charge calculated in accordance with item 20.

Subdivision 3 — Calculation of certain factors for Subdivision 2

        [Heading inserted: SL 2024/117 r. 9.]

19.         Service charge

                The service charge ( P ) is the charge, according to the number of major fixtures for the land, that is the sum of the charges for each fixture as set out in the Table.

Table of major fixture‑based charges

	Charge $
1 st         fixture	1 155.37
2 nd         fixture	494.56
3 rd         fixture	660.48
4 th         and subsequent fixtures	718.23

20.         Discharge charge

                The discharge charge ( Q ) is —

if ,

        then nil

or if ,

        then

where —

F         is the volume of water supplied to the land in the current consumption year;

G         is the discharge factor applicable for the land for the current discharge year;

H         is the discharge allowance for the current discharge year worked out in accordance with item 21;

I         is $4.246,

and is rounded down to the nearest whole number.

21.         Discharge allowance

        (1)         The discharge allowance for the current discharge year is —

            (a)         for land to which item 14 applies that is not covered by paragraph (e) — 200 kL;

            (b)         for land held by a government trading organisation or by a public authority that holds non‑commercial government property — 200 kL;

            (c)         for a caravan park referred to in item 16, the amount (in kL) calculated in accordance with the formula in sub‑item (2);

            (d)         for a nursing home referred to in item 17 — 75 kL per bed;

            (e)         for properties that share a metered property water supply connection — 200 kL for each property.

        (2)         The formula for the purposes of sub‑item (1)(c) is —

where —

M         is 75 kL for each long‑term residential caravan bay.

Subdivision 4 — Combined charges: non‑metropolitan

        [Heading inserted: SL 2024/117 r. 9.]

22.         Non‑metropolitan non‑residential

                For land in the non‑metropolitan area that —

            (a)         is classified as non‑residential property; and

            (b)         is not covered by item 5, 6, 10, 23, 24, 25 or 26,

                the charge is —

if ,

        then

or if ; and

,

        then R

or if ; and

,

        then

where —

P         is the service charge calculated in accordance with item 27;

Q         is the discharge charge calculated in accordance with item 28;

R         is the maximum charge calculated in accordance with item 30;

N         is the discharge volume for the current discharge year;

W         is the discharge volume for the most recently completed discharge year;

I         is $4.246.

23.         Non‑metropolitan non‑strata titled caravan park with long‑term residential caravan bays

                For a caravan park in the non‑metropolitan area that —

            (a)         does not consist wholly of strata‑titled caravan bays; and

            (b)         has long‑term residential caravan bays,

                the charge is —

where —

AA         is $369.46 for each long‑term residential caravan bay;

AB         is, for those parts of the caravan park not consisting of long‑term residential caravan bays —

if ,

        then

or if ; and

,

        then R

or if ; and

,

        then

where —

Y         is the charge according to the number of major fixtures for the relevant part of the caravan park, that is, “ C ” in item 27;

Q         is the discharge charge calculated in accordance with item 28;

R         is the maximum charge calculated in accordance with item 30;

N         is the discharge volume for the current discharge year;

W         is the discharge volume for the most recently completed discharge year;

I         is $4.246.

24.         Non‑metropolitan nursing home

                For a nursing home in the non‑metropolitan area, other than a nursing home that is, or is part of, an aged home, the charge is —

where —

Q         is the discharge charge calculated in accordance with item 28;

T         is ;

U         is the number of beds in the nursing home;

V         is $209.06.

25.         Certain non‑metropolitan units

                For land in the non‑metropolitan area —

            (a)         that is contained in a lot; and

            (b)         that is classified as non‑residential; and

            (c)         that is not covered by item 5 or 6; and

            (d)         that shares one or more major fixtures, that discharge into a sewer of the Water Corporation, with other such land and has no other major fixtures that discharge into such a sewer; and

            (e)         for which the number of major fixtures shared by all units on the relevant scheme plan for a strata titles scheme or a community titles scheme is less than the number of those units,

                the charge is —

where —

T         is $718.23;

Q         is the discharge charge calculated in accordance with item 28.

26.         Non‑metropolitan government trading organisation and non‑commercial government property

        (1)         For land in the non‑metropolitan area held by a government trading organisation or a public authority that holds non‑commercial government property, the charge is —

where —

Y         is the charge according to the number of connected major fixtures for the land, that is, “ C ” in item 27;

Q         is the discharge charge calculated in accordance with item 28.

        (2)         Sub‑item (1) does not apply to public land.

Subdivision 5 — Calculation of certain factors for Subdivision 4

        [Heading inserted: SL 2024/117 r. 9.]

27.         Service charge

                The service charge ( P ) is —

if ,

        then R

or if ,

        then C

where —

R         is the maximum charge calculated in accordance with item 30;

C         is the charge, according to the number of major fixtures for the land, that is the sum of the charges for each fixture as set out in the Table;

D         is the discharge charge calculated in accordance with item 28.

Table of major fixture‑based charges

	Charge $
1 st         fixture	1 155.37
2 nd         fixture	494.56
3 rd         fixture	660.48
4 th         and subsequent fixtures	718.23

28.         Discharge charge

                The discharge charge ( Q ) is —

if ,

        then nil

or if ,

        then

where —

F         is the volume of water supplied to the land in the current consumption year;

G         is the discharge factor applicable for the land for the current discharge year;

H         is the discharge allowance for the current discharge year worked out in accordance with item 29;

I         is $4.246,

and is rounded down to the nearest whole number.

29.         Discharge allowance

        (1)         The discharge allowance for the current discharge year is —

            (a)         for land to which item 22 applies that is not covered by paragraph (e) — 200 kL;

            (b)         for land held by a government trading organisation or by a public authority that holds non‑commercial government property — 200 kL;

            (c)         for a caravan park referred to in item 23 — the amount (in kL) calculated in accordance with the formula in sub‑item (2);

            (d)         for a nursing home referred to in item 24 — 75 kL per bed;

            (e)         for properties that share a metered property water supply connection — 200 kL for each property.

        (2)         The formula for the purposes of sub‑item (1)(c) is —

where —

M         is 75 kL of water for each long‑term residential caravan bay.

30.         Maximum charge

                The maximum charge ( R ) is —

if ,

        then —

if ,

        then

or if ,

        then

or if ,

        then

where —

P         is the service charge calculated in accordance with item 27;

Q         is the discharge charge calculated in accordance with item 28;

A         is the charge payable, for the previous financial year, under the item in Subdivision 4 for which this item is being applied;

S         is 1.1250;

B         is $166.67.

        [Division 2 inserted: SL 2024/117 r. 9.]

Division 3  — Discharge charges: trade waste and effluent

        [Heading inserted: SL 2024/117 r. 9.]

31.         Discharge charges for 2024/25 and subsequent years

                The charges set out in this Division apply for trade waste or effluent discharged in the 2024/25 financial year and each subsequent year.

32.         Trade waste discharged into sewer under approval

        (1)         In this item —

        B.O.D. means biochemical oxygen demand;

        c/kg means cents per kilogram;

        c/kL means cents per kilolitre.

        (2)         For trade waste discharged into a sewer of the Water Corporation under an approval of the Water Corporation, the charge is —

            (a)         for volume         164.5 c/kL

            (b)         for B.O.D. with a concentration of —

                  (i)         up to 5 kg/kL         137.3 c/kg

                  (ii)         over 5 kg/kL         280.2 c/kg

            (c)         for suspended solids with a concentration of —

                  (i)         up to 2 kg/kL         187.2 c/kg

                  (ii)         over 2 kg/kL         376.6 c/kg

            (d)         for oil and grease with a concentration of —

                  (i)         up to 0.3 kg/kL         169.0 c/kg

                  (ii)         over 0.3 kg/kL but
not over 0.6 kg/kL         331.3 c/kg

                  (iii)         over 0.6 kg/kL         668.2 c/kg

            (e)         for acidity to pH 6 (expressed as calcium carbonate) —

                  (i)         up to 0.1 kg/kL         46.5 c/kg

                  (ii)         over 0.1 kg/kL but
not over 0.3 kg/kL         97.6 c/kg

                  (iii)         over 0.3 kg/kL         194.0 c/kg

            (f)         for alkalinity to pH 10 (expressed as calcium carbonate) —

                  (i)         up to 0.1 kg/kL         14.7 c/kg

                  (ii)         over 0.1 kg/kL but
not over 0.2 kg/kL         35.2 c/kg

                  (iii)         over 0.2 kg/kL         70.3 c/kg

            (g)         for nitrogen         149.7 c/kg

            (h)         for phosphorus         42.0 c/kg

                  (i)         for sulphate with a concentration of —

                  (i)         up to 0.05 kg/kL         no charge

                  (ii)         over 0.05 kg/kL         79.4 c/kg

            (j)         for total dissolved salts with a concentration of —

                  (i)         up to 1 kg/kL         no charge

                  (ii)         over 1 kg/kL but not
over 3 kg/kL         0.1 c/kg

                  (iii)         over 3 kg/kL but not
over 6 kg/kL         4.4 c/kg

                  (iv)         over 6 kg/kL         15.8 c/kg

            (k)         for chromium with a discharge rate of —

                  (i)         up to 0.03 kg/day         1 243.3 c/kg

                  (ii)         over 0.03 kg/day but not
over 1 kg/day         2 479.9 c/kg

                  (iii)         over 1 kg/day         9 936.6 c/kg

            (l)         for copper with a discharge rate of —

                  (i)         up to 0.03 kg/day         1 243.3 c/kg

                  (ii)         over 0.03 kg/day but
not over 0.12 kg/day         2 479.9 c/kg

                  (iii)         over 0.12 kg/day         9 936.6 c/kg

            (m)         for lead with a discharge rate of —

                  (i)         up to 0.03 kg/day         1 243.3 c/kg

                  (ii)         over 0.03 kg/day but
not over 0.3 kg/day         2 479.9 c/kg

                  (iii)         over 0.3 kg/day         9 936.6 c/kg

            (n)         for nickel with a discharge rate of —

                  (i)         up to 0.006 kg/day         1 243.3 c/kg

                  (ii)         over 0.006 kg/day but
not over 0.15 kg/day         2 479.9 c/kg

                  (iii)         over 0.15 kg/day         9 936.6 c/kg

            (o)         for zinc with a discharge rate of —

                  (i)         up to 0.05 kg/day         1 243.3 c/kg

                  (ii)         over 0.05 kg/day but
not over 0.5 kg/day         2 479.9 c/kg

                  (iii)         over 0.5 kg/day         9 936.6 c/kg

            (p)         for arsenic with a discharge rate of —

                  (i)         up to 0.001 kg/day         1 243.3 c/kg

                  (ii)         over 0.001 kg/day but
not over 0.04 kg/day         12 417.6 c/kg

                  (iii)         over 0.04 kg/day         124 173.9 c/kg

            (q)         for cadmium with a discharge rate of —

                  (i)         up to 0.001 kg/day         1 243.3 c/kg

                  (ii)         over 0.001 kg/day but
not over 0.015 kg/day         12 417.6 c/kg

                  (iii)         over 0.015 kg/day         124 173.9 c/kg

            (r)         for molybdenum or selenium with a discharge rate of —

                  (i)         up to 0.001 kg/day         1 243.3 c/kg

                  (ii)         over 0.001 kg/day but
not over 0.02 kg/day         12 417.6 c/kg

                  (iii)         over 0.02 kg/day         124 173.9 c/kg

            (s)         for silver with a discharge rate of —

                  (i)         up to 0.002 kg/day         1 243.3 c/kg

                  (ii)         over 0.002 kg/day but
not over 0.01 kg/day         12 417.6 c/kg

                  (iii)         over 0.01 kg/day         124 173.9 c/kg

            (t)         for mercury with a discharge rate of —

                  (i)         up to 0.0001 kg/day         1 243.3 c/kg

                  (ii)         over 0.0001 kg/day but
not over 0.001 kg/day         124 173.9 c/kg

                  (iii)         over 0.001 kg/day         931 339.1 c/kg

33.         Effluent discharged from septic tank effluent pumping system into sewer

                For effluent discharged from a
septic tank effluent pumping system
into a sewer of the Water Corporation,
the charge is         188.3 cents/kL

        [Division 3 inserted: SL 2024/117 r. 9.]