Iowa Admin. Code r. 567-81.5

Current through Register Vol. 47, No. 11, December 11, 2024
Rule 567-81.5 - Water distribution system grades
(1)Classifications. The water distribution plant classifications are listed in the following table:

Water Distribution System Classifications*

System Type

Grade**

Average Daily Pumpage in MGD

0-0.1

>0.1-1.5

>1.5-5

>5

All municipal water systems

I

II

III

IV

Community water systems not classified as a Grade A water system

I

II

III

IV

Nontransient noncommunity water systems not classified as a Grade A water system

I

II

III

IV

Transient noncommunity water systems not classified as a Grade A water system

I

II

III

IV

Miles of Pipe

0-100

>100-1,000

>1,000-2,500

>2,500

Rural water districts

II

II

III

IV

*Note: A public water system with a well, storage, and a distribution system shall be classified as a water distribution system if no treatment is provided.

**For Grade A water system classification, see subrule 81.6(1).

(2)Average daily pumpage. When the average daily pumpage is unknown, the system grade will be determined from the population of the most recent census and an evaluation of commercial, industrial, and other users.
(3)IR certificate holders. Rescinded IAB 1/7/04, effective 2/11/04.

Iowa Admin. Code r. 567-81.5

Amended by IAB February 9, 2022/Volume XLIV, Number 16, effective 3/16/2022