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Division of Surface Water Credible Data - Regulatory activities requiring level 3 data



Credible Data is a program that classifies surface water monitoring performed by watershed groups, state agencies, schools, local volunteers and other organizations. Ohio EPA uses the data submitted under the program in ways prescribed by State law.

Regulatory activities that require Level 3 credible data:

   1. Establishing water quality standard use designations.
   2. Determining whether a water body meets water quality standards.
   3. Reporting water quality conditions pursuant to Section 305(b) of the Clean Water Act.
   4. Listing impaired waters pursuant to Section 303(d) of the Clean Water Act.
   5. Establishing a TMDL for a water body.
 

[Summarized from ORC 6111.52]
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Contact the Division of Surface Water
Mailing Address: P.O. Box 1049, Columbus, OH 43216-1049
Street Address: 50 West Town Street, Suite 700 Columbus, OH 43215
Phone: (614) 644-2001 ~ Fax: 644-2745 ~ E-mail
Emergency Response Hotline (800) 282-9378