Contact Us


Wimmera CMA

Street Address:
24 Darlot Street, Horsham, 3400
(enter via Gleed St)

Postal Address:
PO Box 479, Horsham, VIC, 3402
Phone: (03) 5382 1544
Fax: (03) 5382 6076
Office Hours:
Monday to Friday, 8:30 - 5:00pm
(excluding Public Holidays and Christmas - New Year Closure.  Office may also be closed for short periods Monday mornings)

River Flows

River Flows Map


Environmental Water Activity

MacKenzie River Flows

Oct 14, 2020, 00:00 AM
Low flows are being delivered for the MacKenzie River from Laharum to Wonwondah for approx. two weeks to refill refuge pools to protect native fishpopulations given the lack of flow since June.

Mt William Creek Flows

Jan 29, 2020, 00:00 AM
Flows are commencing for the Mt William Creek from Lake Lonsdale to replenish refuge pools given the lack of flow since December.

Summer Flows

Dec 23, 2019, 10:00 AM
Wimmera River flows will be recommencing 6 January from Taylor’s Lake whilst flows for the MacKenzie River and Burnt Creek will cease in early January and recommence in mid-January.

Wimmera River Flows

Nov 20, 2019, 00:00 AM
Flows will commence this week for the Wimmera River from Taylors Lake initially followed by Lake Lonsdale to refill refuge pools and improve water quality prior to summer after natural flows finished in early Oct. All flows will cease before Christmas and future updates will notify when they recommence in January.

MacKenzie River and Burnt Creek Flows

Oct 28, 2019, 00:00 AM
Flows will take place for several weeks to refill refuge pools in the lower MacKenzie River and Burnt Creek prior to summer.

Burnt Creek and MacKenzie River Flows Cease

May 29, 2019, 00:00 AM
Environmental flows for Burnt Creek and MacKenzie River ceasing this week due to cooler weather conditions and related lower evaporation rates. The need to recommence flow in these systems will be determined by weather conditions in the subsequent weeks. Flows for the Wimmera River are planned to conclude at the end of June and are unlikely to recommence until spring

Mt William Creek at Mokepilly

Mar 7, 2019, 00:00 AM
Releases for the upper Mt William Creek at Mokepilly are commencing to fill up refuge pools to protect native fish.

Technical Issues

Feb 7, 2019, 00:00 AM
Technical issues are being experienced for the Horsham, Lochiel and Lake Lonsdale gauges with transferring data to this page. The data is available at

Mt William Creek flows recommence

Jan 30, 2019, 00:00 AM
Flows recommence for Mt William Creek today. The small volumes are intended to refill refuge pools and improve water quality in the creek itself.

Flows Cease over Christmas/New Year's Break

Dec 19, 2018, 00:00 AM
Flows are ceasing over the Christmas/New Year's Break across the system and will be recommencing for the Wimmera and MacKenzie Rivers and Burnt Creek early in 2019 with Mt William Creek flows starting later in January.

Find out information on flows and water quality in the lower Wimmera River catchment (click on Data Capture Locations on the River Flows Map) as well as updates on flows from Environmental Water Delivery Locations (Environmental Water Activity).

Note: information on this page is not validated and therefore should not be relied upon for any purpose.

River flows may be due to environmental watering, natural (unregulated flows) and/or water transfers between storages.

For more information around environmental watering in the Wimmera, including our SMS update service click here.
For information about publicly accessible wetlands in Wimmera CMA region watered from the Wimmera Mallee Pipeline click here
For validated historic flow and water quality data click here, and for current rainfall and river height (especially flood) information across the entire Wimmera CMA region click here