Geysers spewed a mixture of natural gas and saltwater. Reportedly the saltwater had chloride concentrations as high as 44,000 mg/L. A groundwater monitoring plan has been designed and initiated.

Note: KDHE and City well locations to be added

GROUNDWATER MONITORING SCHEDULE FOR THE EQUUS BEDS AQUIFER (IN AND NEAR HUTCHINSON, KANSAS) February 1, 2001 to February 1, 2002 Prepared by the Kansas Geological Survey, City of Hutchinson, Kansas Gas Service, Equus Beds Groundwater Management District and the Kansas Department of Health and Environment, January 30, 2001
Monitoring Task	Task Description	Frequency *	Task Responsibility	Funding
I GROUND-WATER LEVELS	1) Equus Beds (EB) monitoring wells	Quarterly	GMD2	GMD2
	2) Hutchinson (HUT) monitoring wells	Quarterly	HUT	HUT
	3) KDHE UST (UST) monitoring wells	Quarterly	KDHE	KDHE
II WATER QUALITY	1) Sample Equus Beds C-zone monitoring wells	Quarterly	GMD2	GMD2
	2) Sample City of Hutchinson NW and In-town supply wells	Quarterly	HUT	HUT
	3) Inorganic chemistry analyses of Equus Beds C-zone monitoring wells	Initial	Servi-Tech Laboratory	GS
	4) Inorganic chemistry analyses of City of Hutchinson NW and In-town supply wells	Initial	Servi-Tech Laboratory	GS
	5) Chloride and Specific Conductance analyses of Equus Beds C-zone monitoring wells	Quarterly	Servi-Tech Laboratory	GS
	6) Chloride and Specific Conductance analyses of City of Hutchinson NW and In-town supply wells	Quarterly	Servi-Tech Laboratory	GS
III. NATURAL GAS	1) Monitor EB, HUT, UST monitoring wells	Initial--weekly for a month	GS, KDHE	GS, KDHE
	2) Monitor EB, HUT, UST monitoring wells	Monthly	GS, KDHE	GS, KDHE

Explanation:

• GS--Kansas Gas Service
• KGS--Kansas Geological Survey
• KDHE--Kansas Department of Health and Environment
• GMD2--Equus Beds Groundwater Management District No. 2
• HUT--City of Hutchinson

Locations of groundwater monitoring sites (solid circles) and surface water data collection points (triangles) in the Equus Beds Mineral Intrusion area

Southwest to northeast cross section through Willowbrook-Partridge transect (see map above) showing thickness and character of unconsolidated sediments composing the Equus Beds aquifer.

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