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Appendix A Petitioners Guidance


AQUIFER:   Geological formation, group of formations, or part of a formation that is capable of yielding a significant amount of water to a well or spring.

AQUIFER SERVICE AREA:   Area above the aquifer and including the area where the entire population served by the aquifer lives.

DESIGNATED AREA:   Surface area above the aquifer and its recharge area(s).

PERSON:   Individual, corporation, company, association, partnership, State, municipality or Federal agency (and includes officers, employees, and agents of any corporation, company, association, State, municipality, or Federal agency).

PROJECT REVIEW AREA:   Area within which Federal financially assisted projects will be reviewed, which could include all or part of the designated area and streamflow source area(s).

PUBLIC WATER SYSTEM:   A system for the provision to the public of piped water for human consumption, if such system has at least fifteen service connections or regularly serves twenty-five individuals; includes collection, treatment, storage and distribution facilities under control of the operator of such system and used primarily in connection with such system, and any collection or pretreatment storage facilities not under such control which are used primarily in connection with such system.

RECHARGE AREA:   Surface expression of the area where the bulk of precipitation or surface water replenishes the aquifer.

SOLE OR PRINCIPAL SOURCE:   An aquifer which is needed to supply 50 percent or more of the drinking water for a given aquifer service area and for which there are no reasonably available alternative sources should the aquifer become contaminated.

STREAMFLOW SOURCE AREA:   Upstream headwaters area of losing streams that flow into the recharge area; a losing stream is a stream or portion of a stream which loses water to the ground.


Chapter 1.   Introduction
Chapter 2.   Overview of Petition Processing
Chapter 3.   Phase I - Petition Preparation
Chapter 4.   Phase II - Initial Petition Review / Determination of Completeness
Chapter 5.   Phase III - Detailed Review / Technical Verification
Chapter 6.   Phase IV - Designation Determination


A.    Sole Source Aquifer Definitions
B.    Sole Source Fact Sheet
C.    Sources of Technical Information
D.    EPA Regional Contacts
E.    Completeness Determination Checklist
F.    Statements of Meaning--Minimum Set of Data Elements for Wells
G.    Section 1424(e) Safe Drinking Water Act


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