Administrative Code

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Virginia Administrative Code
Title 12. Health
Agency 5. Department of Health
Chapter 613. Regulations for Alternative Onsite Sewage Systems

12VAC5-613-150. Operator requirements for AOSS with flows up to 40,000 GPD, minimum frequency of visits.

The owner of each AOSS shall have that AOSS visited by an operator in accordance with Table 4.

Table 4
Minimum Operator Visit Frequency for AOSSs up to 40,000 GPD

Avg. Daily Flow

Initial Visit

Regular visits following initial visit

≤1,000 GPD

Within 180 calendar days of the issuance of the operation permit

Every 12 months

>1,000 GPD to 10,000 GPD

First week of actual operation


>10,000 GPD to 40,000 GPD

First week of actual operation


Statutory Authority

§§ 32.1-12 and 32.1-164 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 28, Issue 5, eff. December 7, 2011.

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