1. (a) Where drinking water supply wells located within the GMZ are contaminated above the groundwater quality criteria of Env-Or 603.01, the permittee shall provide a potable drinking water supply in accordance with Env-Or 603.04 that meets applicable federal and state water quality criteria.

2. (b) For water supply wells located within the GMZ that are not contaminated above groundwater quality criteria of Env-Or 603.01, the permittee shall:

   1. (1) Monitor water quality as part of the permit; and
   2. (2) Establish and implement contingency provisions to provide a potable drinking water supply that meets applicable federal and state water quality criteria in the event a drinking water supply well becomes contaminated above the groundwater quality criteria of Env-Or 603.01.
3. (c) Use of groundwater within the GMZ for drinking water shall be restricted by recorded restriction, easement, or other form of ownership interest or restriction, except where potable water is available or is provided to all lots of record by the permittee.
4. (d) Where an undeveloped lot with no drinking water supply is included in the GMZ, the permittee shall contact the property owner annually to determine if a water supply has been developed.

5. (e) Within 30 days of discovery of a new drinking water supply well within the GMZ, the permittee shall:

   1. (1) Provide written notification of such well to the department that includes the drinking water supply well owner’s name, mailing address, property tax map and lot number, and deed reference by county book and page; and
   2. (2) Sample the drinking water supply well, with all sampling, analysis, and reporting conducted in accordance with Env-Or 610.02 and Env-Or 610.03.
6. (f) Groundwater extraction within the GMZ shall be restricted by a recorded easement or other form of ownership interest or restriction if required to implement an approved remedial action.
7. (g) Groundwater extraction within the GMZ for dewatering purposes shall be managed in accordance with all applicable rules and statutes.
8. (h) Notwithstanding Env-Hw 100 - 1400 or other applicable rules or statutes, use of water that is above an AGQS or MCL from a private well for irrigation or other non-consumptive outdoor water use at a property served by such private well shall be permitted, unless the department determines that such use may be detrimental to human health or the environment. This provision shall not protect or immunize the user from claims by any third party.

Source. (See Revision Note at chapter heading for Env-Or 600) #8812, eff 2-1-07; ss by #10831, eff 6-1-15; ss by #14159, eff 12-25-24; ss by #14419, eff 11-4-25, EXPIRES: 11-4-35