Chapter 100: Storm Water Utility

§ 100.02 Definitions

The text in force on August 11, 2010, and every version since 2010.

Unofficial compilation built from the City's published 2010 Code chapters and the text of adopted ordinances. Effective dates are inferred from adoption records; scanned chapters were OCR'd. The City of Tiffin's adopted Code of Ordinances governs. Not legal advice.

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100.02 DEFINITIONS

1. “Developed property” means real property upon which a structure or impervious surface has been placed or constructed, thus increasing the amount of rainwater or surface water runoff.

2. “Dwelling unit” means a singular unit or apartment providing complete, independent living facilities for one or more persons including permanent provisions for living, sleeping, eating, cooking and sanitation.

3. “Exempt property” means public streets, alleys, and sidewalks; all undeveloped property.

4. “Impervious area” means hard-surfaced areas which either prevent or resist the entry of water into the soil mantle, as it entered under natural conditions as undeveloped property, and/or cause water to run off the surface in greater quantities or at an increased rate of flow from that present under natural conditions as undeveloped property.

5. “Nonresidential property” means any property developed for commercial, industrial, governmental or institutional use, including churches, hospitals, parking lots and multiuse properties incorporating residential uses.

6. “Residential property” means a residential structure designed as a single family dwelling or a structure with two or more dwelling units.

7. “Storm Water Drainage System” means the system of publically or privately owned or operated rivers, creeks, ditches, drainage channels, pipes, basins, street gutters, and lakes within the City through which or into which storm water runoff, surface water or subsurface water is conveyed or deposited.

8. “Storm Water Drainage System District” means the area served by the storm water utility.

9. “Storm Water Management System” means the existing storm water management facilities and storm water drainage system of the City and all improvements thereto which by this division are constituted as the property and responsibility of this utility, to be operated as an enterprise fund to, among other things, conserve water, control discharges and flows necessitated by rainfall events; and incorporate methods to collect, store, absorb, inhibit, treat, use or reuse water to prevent or reduce flooding, over-drainage, environmental degradation and water pollution or otherwise affect the quality or quantity or discharge from such system.

10. “Storm Water Management Utility” means the enterprise fund utility created by this chapter to operate, maintain and improve the system and for such other purposes as stated in this chapter.

11. “Undeveloped property” means any real property that has no impervious area.

12. “User” means any person owning, operating or otherwise responsible for property within the City, which directly or indirectly discharges storm water or subsurface waters to any portion of the storm water management system, including direct or indirect discharges to the City’s storm water drainage system. The term “user” means any person responsible for the direct or indirect discharge of storm water or surface or subsurface waters to the City’s storm water drainage system.

2010 Code (city website file), in force from August 11, 2010 · source page

In the 2026 draft (a comparison with a draft, not adopted): § 100.02 — wording changed, wording changed · compare

History

FromToSourceHowDocument
Aug 11, 2010today 2010 Code base text · text p. 1

Dates: an Iowa ordinance takes effect when it is published after adoption. Where the clerk's certificate records the publication date it is used; otherwise the adoption date stands in for it. "Not yet consolidated" means the ordinance amends this section but its new text has not been checked into this compilation yet: read the ordinance.

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Data last updated October 23, 2026. Built from the archive's documents; see how the data is built.