10 CSR 23-1.030 Types of Wells PURPOSE: This rule describes the types of wells covered by the law.

(1) Public Water System. A system for the provision to the public of piped water for human consumption, if this system has at least fifteen (15) service connections or regularly serves an average of at least twentyfive (25) individuals daily at least sixty (60) days out of the year. This system includes any collection, treatment, storage or distribution facilities used in connection with the system. A public water system is either a community water system, transient noncommunity water system or nontransient noncommunity water system. Any community or noncommunity public water supply well must be constructed according to Missouri Public Drinking Water rules.

(A) Community Water System. A public water system which serves at least fifteen (15) service connections or regularly serves an average of at least twenty-five (25) residents on a year-round basis.

(B) Transient Noncommunity Water System. A public water system that is not a community water system which has at least fifteen (15) service connections or regularly serves an average of at least twenty-five (25) individuals daily on a year-round basis.

(C) Nontransient Noncommunity Water System. A public water system that is not a community water system, which has at least fifteen (15) service connections or regularly serves an average of at least twenty-five (25) individuals daily at least sixty (60) days of the year.

(2) Petroleum Distribution Site Well. A water supply well constructed adjacent to and in connection with petroleum distribution sites is considered a noncommunity water supply.

(3) Multiple Family Well. A private water supply well constructed for the purpose of serving more than three (3) dwellings, but having less than fifteen (15) service connections and serving less than twenty-five (25) individuals daily at least sixty (60) days out of the year.

(4) High Yield Well. Those water supply wells that are constructed to meet required standards and are equipped with a pump that has the capacity to produce more than seventy (70) gallons of water per minute (see 10 CSR 23-3.030 for construction requirements).

(5) Domestic Well. A private water supply well that is constructed to meet minimum standards and is equipped with a pump that does not have the capacity to produce more than seventy (70) gallons of water per minute and services three (3) or less service connections. A private domestic water supply well that produces less than seventy (70) gallons of water per minute regardless of the use is a domestic well.

(6) Grade A Dairy Well. Water supply well installed to service and supply Grade A dairy operations and is constructed to domestic well standards.

(7) Unconsolidated Material Irrigation Well. Water supply well drilled into alluvial, glacial drift or glacial outwash aquifers and is not deeper than two hundred feet (200'), and produces water not for human consumption and is equipped with a pump which has the capacity to produce more than seventy (70) gallons of water per minute (see 10 CSR 23- 3.030 for construction requirements).

(8) Bedrock Irrigation Well. Water supply well drilled into bedrock aquifers that is constructed to meet required standards and is equipped with a pump that has the capacity to produce more than seventy (70) gallons of water per minute. The produced water is for irrigating crops but may be used for human consumption (see 10 CSR 23-3.030 for construction requirements).

AUTHORITY: sections 256.606 and 256.626, RSMo (1994).* Original rule filed April 2, 1987, effective July 27, 1987. Emergency amendment filed Nov. 16, 1993, effective Dec. 11, 1993, expired April 9, 1994. Amended: Filed Aug. 17, 1993, effective March 10, 1994. Amended: Filed July 13, 1994, effective Jan. 29, 1995. Amended: Filed Nov. 1, 1995, effective June 30, 1996.
*Original authority: 256.606, RSMo (1991) and 256.626, RSMo (1985), amended 1991.

MO Dept. of Natural Resources: CODE OF STATE REGULATIONS - Rebecca McDowell Cook (5/31/96) Secretary of State

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