Español

Water calls today: South Platte basin

21 active administrative calls in Division 1, most senior first.

Figures as of · Advisory only — confirm water rights with Colorado DWR.

Calling structureWater sourcePriority dateAdmin no.Date set
Howard DitchWDID 0600580South Boulder Creek3744.00000
Jones Donnelly DitchWDID 0600582South Boulder Creek3774.00000
Wannamaker DitchWDID 0700698Clear Creek3835.00000
Boulder Weld Cty DitchWDID 0600515Boulder Creek4170.00000
Fisher DitchWDID 0700570Clear Creek4198.00000
Clear Cr Platte River DWDID 0700547Clear Creek4323.00000
Pioneer Union DitchWDID 0900862Bear Creek4362.00000
Rural DitchWDID 0600551Boulder Creek4513.00000
B H Eaton DitchWDID 0300931Cache La Poudre River5275.00000
South Platte River At WatertonWDID 0801814South Platte River5478.00000
Chatfield ReservoirWDID 0803514South Platte River5843.00000
Rough Ready DitchWDID 0500527Saint Vrain Creek7012.00000
Canal 3 DitchWDID 0300934Cache La Poudre River7396.00000
Western Mutual DitchWDID 0200825South Platte River7948.00000
Farmers Irrigation CanalWDID 0400519Big Thompson River8522.00000
Lake DitchWDID 0500564Left Hand Creek8871.00000
Nelson DitchWDID 0500556Lykins Gulch8906.00000
Ogilvy DitchWDID 0300937Cache La Poudre River12520.11505
South Platte River CompactWDID 6499999South Platte River17332.00000
Sterling Irr Co Ditch 1WDID 6400528South Platte River31423.29219
Littleton Boat Chute No 10 Nonconsumptive callWDID 0801997South Platte River52931.00000

Source: Colorado DWR (CDSS), read Oct 4, 2026, 6:24 a.m. MDT. DWR's official list

What a call means

When a stream does not carry enough water for a senior right, its owner can ask the Division Engineer's office to administer the river. Water commissioners then order upstream rights that are junior to it to reduce or stop their diversions until the senior right is satisfied. A call sits at a priority, not at a map location: rights with a smaller (older) administration number are in priority, and rights with a larger one on the affected stretch are out of priority.

A futile call lets a junior keep diverting when curtailing it would not get water to the senior in time. The most senior call in a division shows how far down the priority list the shortage has reached somewhere in the division — not that every stream is that short. More in What is a water call? and Is my ditch in priority?.

Is your ditch in priority?

Look up your ditch by name or WDID on Structures and compare your right's administration number with the call on your water source. Always confirm with your water commissioner: BasinMind is advisory only, and the Division Engineer's office is the authority.

More for this basin

Explainers

Calls in other basins

Sources

  1. Colorado DWR — Active administrative calls (CDSS)