Okla. Stat. tit. 27A, § 27A-2-6-402: Rules - Exemptions

A. The Board shall promulgate rules as necessary to implement

the provisions of this part pertaining to the treatment of

nonindustrial wastewater, and the treatment, storage, use and

disposal of sewage sludge and other waste by wastewater treatment

systems or treatment works. Such rules shall include but are not

limited to requirements for:

1. The construction, operation and extension of municipal,

public, private and other nonindustrial wastewater treatment systems

or treatment works, including the construction or use of surface

impoundments and lagoons;

2. Pretreatment;

3. Control tests, laboratory checks, monitoring or operating

records and reports;

4. Applications, plans and specifications, permitting and other

authorizations;

5. The monitoring, maintenance and closure of wastewater

treatment systems; and

6. Treatment, sampling, record keeping, reporting and other

requirements for sewage sludge consistent with federal regulations.

B. Such rules may provide for the exemption, and conditions

therefor, of specified categories of wastewater treatment systems or

treatment works for small public sewage systems from any of the

requirements thereof if the public health or the environment will

not thereby be endangered. Provided, no exemption shall be allowed

which is inconsistent with applicable minimum federal requirements

for discharges or use, transportation or disposal of sludge.