Regulatory Status

Selected Water Year:

Skip to Stream Measurements for the Water Year
Records per Page:
Last UpdateAreaDescriptionStatusWater use regulated off back to, and including, this priority date
3/2/2026Wood River11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Water users with a priority date on or junior to 8/10/1908 are regulated off until February 28, 2026 or otherwise notified by the Watermaster.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.
Irrigation season begins for the Wood River valley on April 1st. Calls for regulation will be validated at the beginning of irrigation season when irrigation can begin and updates will be given at that time. 		Regulated/Monitoring 
12/29/2025Lower Williamson11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

12/19/2025 Lifted Regulation on the Williamson River below the confluence of Sprague River for water right and determined claim holders with priority dates on or before 8/09/1908. Please see Sprague River for updates on Sprague System.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. Water users with a priority date on or junior to 8/10/1908 are regulated off until end of irrigation season, 2026 or otherwise notified by the Watermaster.

03/19/2026 Williamson River and all tributaries are regulated to time immemorial until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
11/7/2025Upper Klamath Lake and Tributaries other than Williamson and Wood Rivers11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/08/2025 Water users with a priority date on or junior to 8/10/1908 are regulated off until February 28, 2026 or otherwise notified by the Watermaster.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. Water users with a priority date on or junior to 8/10/1908 are regulated off until end of irrigation season, 2026 or otherwise notified by the Watermaster.		Regulated/Monitoring8/6/1908
3/2/2026Crooked Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Water users with a priority date on or junior to 8/10/1908 are regulated off until February 28, 2026 or otherwise notified by the Watermaster.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.
Irrigation season begins for the Wood River valley on April 1st. Calls for regulation will be validated at the beginning of irrigation season when irrigation can begin and updates will be given at that time. 		Regulated/Monitoring 
11/7/2025Fort Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Water users with a priority date on or junior to 8/10/1908 are regulated off until February 28, 2026 or otherwise notified by the Watermaster.		Regulated/Monitoring8/6/1908
3/2/2026Annie Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Water users with a priority date on or junior to 8/10/1908 are regulated off until February 28, 2026 or otherwise notified by the Watermaster.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.
Irrigation season begins for the Wood River valley on April 1st. Calls for regulation will be validated at the beginning of irrigation season when irrigation can begin.		Regulated/Monitoring 
12/29/2025Sprague River11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

12/19/2025 Lifted Regulation on the Sprague River for water right and determined claim holders with priority dates on or before 8/09/1908. Please see individual tributaries for updates on each tributary.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. Water users with a priority date on or junior to 8/10/1908 are regulated off until end of irrigation season, 2026 or otherwise notified by the Watermaster.

03/19/2026 All out of stream uses are regulated to time immemorial until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
12/29/2025Fivemile Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

12/19/2025 For regulation updates on Fivemile Creek, please call Watermaster office.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. Water users with a priority date on or junior to 8/10/1908 are regulated off until end of irrigation season, 2026 or otherwise notified by the Watermaster.

03/19/2026 All out of stream uses are regulated to time immemorial until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
11/7/2025Whisky Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

12/19/2025 For regulation updates on Whisky Creek, please call Watermaster office.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. Water users with a priority date on or junior to 8/10/1908 are regulated off until end of irrigation season, 2026 or otherwise notified by the Watermaster.

03/19/2026 All out of stream uses are regulated to time immemorial until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
12/29/2025Sycan River11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

12/19/2025Lifted Regulation on the Sycan River for water right and determined claim holders with priority dates on or before 8/09/1908.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. Water users with a priority date on or junior to 8/10/1908 are regulated off until end of irrigation season, 2026 or otherwise notified by the Watermaster.

03/19/2026 All out of stream uses are regulated to time immemorial until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
11/7/2025Larkin Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. All out of stream uses are regulated off until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
11/7/2025Klamath Marsh11/07/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. All out of stream uses are regulated off until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
11/7/2025Scott Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. All out of stream uses are regulated off until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
11/7/2025Sand Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. All out of stream uses are regulated off until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
11/7/2025Jackson Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. All out of stream uses are regulated off until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800
11/7/2025Irving Creek11/03/2025 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim.

11/07/2025 Watermaster Staff validated the call. All out of stream uses are regulated off until February 28, 2026 or otherwise notified.

3/2/2026 A call has been placed by the Klamath Tribes for enforcement of their in-stream determined claim. Watermaster Staff are in the process of validating the call.

03/09/2026 Watermaster Staff validated the call. All out of stream uses are regulated off until the end of the irrigation season or otherwise notified by the Watermaster.		Regulated/Monitoring12/31/1800


Stream Measurements for Water Year

Records per Page:
Site TypeStation Nbr/StreamDescriptionDateDischarge
Gage11491400WILLIAMSON R BL SHEEP CR NR LENZ, OR3/11/202655.70
Gage11491400WILLIAMSON R BL SHEEP CR NR LENZ, OR1/15/202652.80
Gage11491400WILLIAMSON R BL SHEEP CR NR LENZ, OR11/20/202554.30
Gage11491400WILLIAMSON R BL SHEEP CR NR LENZ, OR10/14/202552.60
Gage11494000WILLIAMSON R AB SPRING CR NR KLAMATH AGENCY, OR3/10/202621.60
Gage11494000WILLIAMSON R AB SPRING CR NR KLAMATH AGENCY, OR1/15/202619.30
Gage11494000WILLIAMSON R AB SPRING CR NR KLAMATH AGENCY, OR11/20/202519.90
Gage11494000WILLIAMSON R AB SPRING CR NR KLAMATH AGENCY, OR10/2/202519.00
Gage11494100LARKIN CR NR CHILOQUIN, OR3/10/20266.13
Gage11494100LARKIN CR NR CHILOQUIN, OR1/15/20266.60
Gage11494100LARKIN CR NR CHILOQUIN, OR11/20/20257.54
Gage11494100LARKIN CR NR CHILOQUIN, OR10/2/20256.85
Gage11494200SPRING CR NR CHILOQUIN, OR3/9/2026278.00
Gage11494200SPRING CR NR CHILOQUIN, OR12/8/2025280.00
Gage11494200SPRING CR NR CHILOQUIN, OR10/2/2025283.00
Gage11494510WILLIAMSON R AB SPRAGUE R NR CHILOQUIN, OR3/23/2026310.00
Gage11494510WILLIAMSON R AB SPRAGUE R NR CHILOQUIN, OR1/26/2026321.00
Gage11494510WILLIAMSON R AB SPRAGUE R NR CHILOQUIN, OR12/1/2025322.00
Gage11494510WILLIAMSON R AB SPRAGUE R NR CHILOQUIN, OR10/2/2025319.00
Gage11494950S FK SPRAGUE R AT SPRAGUE R PARK NR BLY, OR2/9/202632.10
Gage11494950S FK SPRAGUE R AT SPRAGUE R PARK NR BLY, OR12/15/202519.30
Gage11494950S FK SPRAGUE R AT SPRAGUE R PARK NR BLY, OR10/17/202517.20
Gage11495900N FK SPRAGUE R AB SRIC CN NR BLY, OR3/17/2026155.00
Gage11495900N FK SPRAGUE R AB SRIC CN NR BLY, OR1/30/202687.40
Gage11495900N FK SPRAGUE R AB SRIC CN NR BLY, OR12/3/202550.10
Gage11495900N FK SPRAGUE R AB SRIC CN NR BLY, OR10/17/202560.30
Gage11495950SPRAGUE R IRRIG CO CN AT HEADGATE NR BLY3/17/20260.00
Gage11495950SPRAGUE R IRRIG CO CN AT HEADGATE NR BLY1/30/20260.00
Gage11495950SPRAGUE R IRRIG CO CN AT HEADGATE NR BLY12/3/20250.00
Gage11495950SPRAGUE R IRRIG CO CN AT HEADGATE NR BLY10/7/20250.00
Gage11497500SPRAGUE R NR BEATTY, OR2/12/2026207.00
Gage11497500SPRAGUE R NR BEATTY, OR12/16/2025154.00
Gage11497500SPRAGUE R NR BEATTY, OR10/21/2025154.00
Gage11497550SPRAGUE R BL BROWN CR NR BEATTY, OR2/12/2026240.00
Gage11497550SPRAGUE R BL BROWN CR NR BEATTY, OR12/16/2025184.00
Gage11497550SPRAGUE R BL BROWN CR NR BEATTY, OR10/21/2025183.00
Gage11499100SYCAN R BL SNAKE CR NR BEATTY, OR2/4/202658.70
Gage11499100SYCAN R BL SNAKE CR NR BEATTY, OR12/9/202517.40
Gage11499100SYCAN R BL SNAKE CR NR BEATTY, OR10/21/202514.90
Gage11500400TROUT CR NR LONE PINE3/11/20261.91
Gage11500400TROUT CR NR LONE PINE1/16/20261.36
Gage11500400TROUT CR NR LONE PINE11/17/20250.67
Gage11500400TROUT CR NR LONE PINE10/7/20250.36
Gage11500500SPRAGUE R AT LONE PINE, OR1/27/2026325.00
Gage11500500SPRAGUE R AT LONE PINE, OR12/2/2025216.00
Gage11500500SPRAGUE R AT LONE PINE, OR10/20/2025206.00
Gage11502550WILLIAMSON R AT MODOC PT RD, NR CHILOQUIN, OR3/3/20261540.00
Gage11502550WILLIAMSON R AT MODOC PT RD, NR CHILOQUIN, OR1/6/20261160.00
Gage11502550WILLIAMSON R AT MODOC PT RD, NR CHILOQUIN, OR11/6/2025552.00
Gage11502550WILLIAMSON R AT MODOC PT RD, NR CHILOQUIN, OR10/6/2025544.00
Gage11502950SUN CR AT RANGER STA NR FORT KLAMATH, OR3/12/202613.20
Gage11502950SUN CR AT RANGER STA NR FORT KLAMATH, OR1/13/202612.80
Gage11502950SUN CR AT RANGER STA NR FORT KLAMATH, OR11/13/202512.90
Gage11502950SUN CR AT RANGER STA NR FORT KLAMATH, OR10/14/202511.10
Gage11502980WOOD R BL SUN CR NR FORT KLAMATH, OR2/26/2026200.00
Gage11502980WOOD R BL SUN CR NR FORT KLAMATH, OR2/26/2026205.00
Gage11502980WOOD R BL SUN CR NR FORT KLAMATH, OR2/26/2026192.00
Gage11502980WOOD R BL SUN CR NR FORT KLAMATH, OR12/12/2025214.00
Gage11502980WOOD R BL SUN CR NR FORT KLAMATH, OR12/12/2025192.00
Gage11502980WOOD R BL SUN CR NR FORT KLAMATH, OR11/18/2025198.00
Gage11502980WOOD R BL SUN CR NR FORT KLAMATH, OR10/17/2025195.00
Gage11503500ANNIE CR NR FT KLAMATH3/12/202653.10
Gage11503500ANNIE CR NR FT KLAMATH1/13/202654.70
Gage11503500ANNIE CR NR FT KLAMATH11/13/202555.40
Gage11503500ANNIE CR NR FT KLAMATH10/14/202558.70
Gage11504103WOOD R AB CROOKED CR, NR KLAMATH AGENCY, OR3/9/2026379.00
Gage11504103WOOD R AB CROOKED CR, NR KLAMATH AGENCY, OR1/9/2026379.00
Gage11504103WOOD R AB CROOKED CR, NR KLAMATH AGENCY, OR1/5/2026403.00
Gage11504103WOOD R AB CROOKED CR, NR KLAMATH AGENCY, OR11/6/2025367.00
Gage11504103WOOD R AB CROOKED CR, NR KLAMATH AGENCY, OR10/15/2025327.00
Gage11504109CROOKED CR NR KLAMATH AGENCY, OR2/6/202684.80
Gage11504109CROOKED CR NR KLAMATH AGENCY, OR2/6/202687.80
Gage11504109CROOKED CR NR KLAMATH AGENCY, OR1/28/202687.80
Gage11504109CROOKED CR NR KLAMATH AGENCY, OR12/3/202590.40
Gage11504109CROOKED CR NR KLAMATH AGENCY, OR10/7/202588.10
Gage11504120SEVENMILE CR BL DRY CR NR FORT KLAMATH3/9/202623.70
Gage11504120SEVENMILE CR BL DRY CR NR FORT KLAMATH1/9/202619.10
Gage11504120SEVENMILE CR BL DRY CR NR FORT KLAMATH11/12/202514.60
Gage11504120SEVENMILE CR BL DRY CR NR FORT KLAMATH10/17/202515.00
Gage11510000SPENCER CR NR KENO, OR2/18/202614.00
Gage11510000SPENCER CR NR KENO, OR12/22/2025178.00
Gage11510000SPENCER CR NR KENO, OR10/28/202523.20
MiscFORT CR > WOOD RBOAT, UPSTREAM, 2', UPSTREAM OF GAGE. DS RIFFLE OUT OF SIGHT - UNSURE - COULD BE BACK WATERING FROM WOOD R.2/3/202681.30
MiscFORT CR > WOOD RBOAT, UPSTREAM, 3' UPSTREAM OF GAGE. 45.6F=7.6C, 45.8F=7.7C12/15/202590.20
MiscFORT CR > WOOD RBOAT. 3', UPSTREAM OF GAGE.10/15/202587.90
MiscIRVING CR > JACKSON CRWADING, METER SUSPENDED FROM ROD.3/2/20260.76
MiscJACKSON CR > WILLIAMSON RWADING, METER SUSPENDED FROM ROD.3/2/20263.58
MiscKLAMATH MARSH > MARSH AT SILVER LAKE RD.3/2/20260.00
MiscSAND CR > WILLIAMSON RWADING, METER SUSPENDED FROM ROD.3/2/20267.59
MiscSCOTT CR > WILLIAMSON RAT HWY 97. NO FLOW OBS, COMPLETELY3/2/20260.00
MiscSPRAGUE R > WILLIAMSON RNR CHILOQUIN HS. DOWNSTREAM, SIDE BRIDGE.3/3/20261097.00