Mr. Love inquires about Coral Bay's water production, demand, and future capacity. The response indicates sufficient capacity for the next 15 years and no current restrictions.

AnsweredQoN 747Legislative Assembly
Asked
10 September 2025
Portfolio
Water

QuestionView source ↗

(1) What is the current total water production capacity in Coral Bay, expressed in kilolitres per day? (2) Of this capacity, how much is classified as potable water and how much is classified as non-potable water? (3) What is the current daily average water demand in Coral Bay for: (a) Potable use; and (b) Non-potable use? (4) What is the maximum peak daily demand recorded in Coral Bay in each of the past three years, and how did this compare to production capacity? (5) Are there any restrictions or limitations currently in place on water use in Coral Bay due to supply constraints? (6) What plans or projects are underway to increase water capacity in Coral Bay to meet future population growth and tourism demand? (7) Has the Government investigated or funded alternative water supply solutions for Coral Bay (such as desalination expansion, water recycling, or increased storage capacity), and if so, what are the details?

AnswerView source ↗

Answered
14 October 2025
Responded by
Minister for Water
Response time
5 days
1.     520 kilolitres per day.
2.     All of this capacity is classified as potable water. Water Corporation does not operate a non-potable scheme in Coral Bay.
3.     (a) Average daily demand is 301 kilolitres.
(b) N/A.
4.     Water Corporation uses Average Day Peak Week (ADPW) demand, that is the average daily demand during the week of highest water use each year.  Higher single-day demand is managed by the storage Water Corporation has as part of the scheme.
ADPW 2023 – 248 kilolitres per day (48% of production capacity).
ADPW 2024 – 251 kilolitres per day (48% of production capacity).
ADPW 2025 – 313 kilolitres per day (60% of production capacity).
5.     No.
6.     There is spare production capacity to respond to further growth for the next 15 years. There is no plan or projects underway to increase capacity.
7.     No.

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