USGS Water-Year Summary for Site 05506800

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	Available Parameters
	00060 Discharge(Mean)
	00065 Gage height(Obs.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

05506800 ELK FORK SALT RIVER NEAR MADISON, MO

LOCATION - Lat 39°26'05.4", long 92°10'04.0" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 SW 1/4 sec.29, T.54 N., R.11 W., Monroe County, MO, Hydrologic Unit 07110006, on downstream side and 25 ft to the left of bridge on State Highway AA, 500 ft downstream from Allen Creek, 3.5 mi southeast of Madison, and at mile 29.8.

DRAINAGE AREA - 200 mi².

REVISIONS HISTORY -

WDR MO 1973: 1970(M).

Date:	Reference Before:	Reference After:	Time:	Inside Before:	Inside After:	Time:	Mean Gage Height Before:	Mean Gage Height After:	Revision Date:	Revision Reason:
5/17/2022
4/4/2022	4.15	4.10	15:41	4.17	4.12	15:36	4.15	4.12	6/22/2022	Revision due to checkbar reset during levels.
4/4/2022	4.14	4.09	16:55	4.16	4.11	16:45			6/22/2022	Revision due to checkbar reset during levels.
1/26/2022	3.19	3.14	13:49	3.19	3.14	13:45	3.19	3.14	6/22/2022	Revision due to checkbar reset during levels.
1/26/2022	3.19	3.14	12:53	3.19	3.14	12:57			6/22/2022	Revision due to checkbar reset during levels.
12/1/2021	2.98	2.94	12:15	3.00	2.96	12:15	2.99	2.95	6/22/2022	Revision due to checkbar reset during levels.
12/1/2021	2.98	2.94	11:12	2.99	2.95	12:00			6/22/2022	Revision due to checkbar reset during levels.
12/1/2021				3.00	2.96	11:15			6/22/2022	Revision due to checkbar reset during levels.
10/6/2021	3.24	3.20	12:36	3.25	3.21	12:30	3.25	3.21	6/23/2022	Revision due to checkbar reset during levels.
10/6/2021	3.24	3.20	11:20	3.25	3.21	11:15			6/23/2022	Revision due to checkbar reset during levels.
8/3/2021	3.54	3.50	9:00	3.57	3.53	8:45	3.54	3.50	6/23/2022	Revision due to checkbar reset during levels.
8/3/2021	3.54	3.50	9:22	3.57	3.53	9:45			6/23/2022	Revision due to checkbar reset during levels.
8/3/2021				3.54	3.50	9:48			6/23/2022	Revision due to checkbar reset during levels.
6/9/2021	3.25	3.22	15:21	3.28	3.25	15:15	3.24	3.22	6/23/2022	Revision due to checkbar reset during levels.
6/9/2021	3.24	3.21	16:16	3.21	3.18	16:15			6/23/2022	Revision due to checkbar reset during levels.
6/9/2021				3.24	3.21	16:23			6/23/2022	Revision due to checkbar reset during levels.
3/31/2021	3.89	3.86	8:39	3.89	3.86	8:30			6/23/2022	Revision due to checkbar reset during levels.
3/31/2021	3.89	3.86	9:03	3.89	3.86	9:00			6/23/2022	Revision due to checkbar reset during levels.
3/18/2021	18.73	18.70	14:42	18.70	18.67	14:50	18.71	18.68	6/23/2022	Revision due to checkbar reset during levels.
3/18/2021	18.74	18.71	14:14	18.71	18.68	14:30			6/23/2022	Revision due to checkbar reset during levels.
3/18/2021				18.68	18.65	14:11			6/23/2022	Revision due to checkbar reset during levels.
3/18/2021				18.65	18.62	14:00			6/23/2022	Revision due to checkbar reset during levels.
1/26/2021	3.98	3.95	12:41	3.98	3.95	12:15	3.98	3.95	6/23/2022	Revision due to checkbar reset during levels.
1/26/2021	3.97	3.94	12:20	3.98	3.95	12:45			6/23/2022	Revision due to checkbar reset during levels.
12/2/2020	3.15	3.12	16:00	3.14	3.11	16:00	3.14	3.11	6/23/2022	Revision due to checkbar reset during levels.
12/2/2020	3.15	3.12	15:00	3.14	3.11	15:00			6/23/2022	Revision due to checkbar reset during levels.
10/5/2020	2.86	2.84	16:18	2.87	2.85	16:15	2.86	2.84	6/23/2022	Revision due to checkbar reset during levels.
10/5/2020	2.86	2.84	15:03	2.86	2.84	15:11			6/23/2022	Revision due to checkbar reset during levels.
10/5/2020				2.93	2.91	15:00			6/23/2022	Revision due to checkbar reset during levels.
7/30/2020	3.71	3.69	8:35						6/23/2022	Revision due to checkbar reset during levels.
7/30/2020	3.47	3.45	8:05						6/23/2022	Revision due to checkbar reset during levels.
7/30/2020									6/23/2022	Revision due to checkbar reset during levels.
5/6/2020	4.75	7.73	11:52						6/23/2022	Revision due to checkbar reset during levels.
5/6/2020	4.74	4.72	12:15						6/23/2022	Revision due to checkbar reset during levels.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Oct 1968 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 690.19 ft above North American Vertical Datum of 1988.

REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Jul 9, 1967, reached a stage of 31.25 ft, from floodmark, discharge 33,300 ft³/s, by contracted-opening method. Flood in 1871 reached nearly the same stage, from information by local resident.