CODES

ADOPTS WITH AMENDMENTS:

International Plumbing Code 2015 (IPC 2015)

Rainfall rates, in inches per hour, are based on a storm of 1-hour duration and a 100-year return period. The rainfall rates shown in the appendix are derived from Figure 1106.1.

Alabama: Nebraska:
Birmingham 3.8 North Platte 3.3
Huntsville 3.6 Omaha 3.8
Mobile 4.6 Scottsbluff 3.1
Montgomery 4.2 Valentine 3.2
Alaska: Nevada:
Fairbanks 1.0 Elko 1.0
Juneau 0.6 Ely 1.1
Las Vegas 1.4
Arizona: Reno 1.1
Flagstaff 2.4
Nogales 3.1 New Hampshire:
Phoenix 2.5 Berlin 2.5
Yuma 1.6 Concord 2.5
Keene 2.4
Arkansas:
Fort Smith 3.6 New Jersey:
Little Rock 3.7 Atlantic City 2.9
Texarkana 3.8 Newark 3.1
Trenton 3.1
California:
Barstow 1.4 New Mexico:
Crescent City 1.5 Albuquerque 2.0
Fresno 1.1 Hobbs 3.0
Los Angeles 2.1 Raton 2.5
Needles 1.6 Roswell 2.6
Placerville 1.5 Silver City 1.9
San Fernando 2.3
San Francisco 1.5 New York:
Yreka 1.4 Albany 2.5
Binghamton 2.3
Colorado: Buffalo 2.3
Craig 1.5 Kingston 2.7
Denver. 2.4 New York 3.0
Durango 1.8 Rochester 2.2
Grand Junction 1.7
Lamar 3.0 North Carolina:
Pueblo 2.5 Asheville 4.1
Charlotte 3.7
Connecticut: Greensboro 3.4
Hartford 2.7 Wilmington 4.2
New Haven 2.8
Putnam 2.6 North Dakota:
Bismarck 2.8
Delaware: Devils Lake 2.9
Georgetown 3.0 Fargo 3.1
Wilmington 3.1 Williston 2.6
District of Columbia: Ohio:
Washington 3.2 Cincinnati 2.9
Cleveland 2.6
Florida: Columbus 2.8
Jacksonville 4.3 Toledo 2.8
Key West 4.3
Miami 4.7 Oklahoma:
Pensacola 4.6 Altus 3.7
Tampa 4.5 Boise City 3.3
Durant 3.8
Georgia: Oklahoma City 3.8
Atlanta 3.7
Dalton 3.4 Oregon:
Macon 3.9 Baker 0.9
Savannah 4.3 Coos Bay 1.5
Thomasville 4.3 Eugene 1.3
Portland 1.2
Hawaii:
Hilo 6.2 Pennsylvania:
Honolulu 3.0 Erie 2.6
Wailuku 3.0 Harrisburg 2.8
Philadelphia 3.1
Idaho: Pittsburgh 2.6
Boise 0.9 Scranton 2.7
Lewiston 1.1
Pocatello 1.2 Rhode Island:
Block Island 2.75
Illinois: Providence 2.6
Cairo 3.3
Chicago 3.0 South Carolina:
Peoria 3.3 Charleston 4.3
Rockford 3.2 Columbia 4.0
Springfield 3.3 Greenville 4.1
Indiana: South Dakota:
Evansville 3.2 Buffalo 2.8
Fort Wayne 2.9 Huron 3.3
Indianapolis 3.1 Pierre 3.1
Rapid City 2.9
Iowa: Yankton 3.6
Davenport 3.3
Des Moines 3.4 Tennessee:
Dubuque 3.3 Chattanooga 3.5
Sioux City 3.6 Knoxville 3.2
Memphis 3.7
Kansas: Nashville 3.3
Atwood 3.3
Dodge City 3.3 Texas:
Topeka 3.7 Abilene 3.6
Wichita 3.7 Amarillo 3.5
Brownsville 4.5
Kentucky: Dallas 4.0
Ashland 3.0 Del Rio 4.0
Lexington 3.1 El Paso 2.3
Louisville 3.2 Houston 4.6
Middlesboro 3.2 Lubbock 3.3
Paducah 3.3 Odessa 3.2
Pecos 3.0
Louisiana: San Antonio 4.2
Alexandria 4.2
Lake Providence 4.0 Utah:
New Orleans 4.8 Brigham City 1.2
Shreveport 3.9 Roosevelt 1.3
Salt Lake City 1.3
Maine: St. George 1.7
Bangor 2.2
Houlton 2.1 Vermont:
Portland 2.4 Barre 2.3
Bratteboro 2.7
Maryland: Burlington 2.1
Baltimore 3.2 Rutland 2.5
Hagerstown 2.8
Oakland 2.7 Virginia:
Salisbury 3.1 Bristol 2.7
Charlottesville 2.8
Massachusetts: Lynchburg 3.2
Boston 2.5 Norfolk 3.4
Pittsfield 2.8 Richmond 3.3
Worcester 2.7
Washington:
Michigan: Omak 1.1
Alpena 2.5 Port Angeles 1.1
Detroit 2.7 Seattle 1.4
Grand Rapids 2.6 Spokane 1.0
Lansing 2.8 Yakima 1.1
Marquette 2.4
Sault Ste. Marie 2.2 West Virginia:
Charleston 2.8
Minnesota: Morgantown 2.7
Duluth 2.8
Grand Marais 2.3 Wisconsin:
Minneapolis 3.1 Ashland 2.5
Moorhead 3.2 Eau Claire 2.9
Worthington 3.5 Green Bay 2.6
La Crosse 3.1
Mississippi: Madison 3.0
Biloxi 4.7 Milwaukee 3.0
Columbus 3.9
Corinth 3.6 Wyoming:
Natchez 4.4 Cheyenne 2.2
Vicksburg 4.1 Fort Bridger. 1.3
Lander 1.5
Missouri: New Castle 2.5
Columbia 3.2 Sheridan 1.7
Kansas City 3.6 Yellowstone Park 1.4
Springfield 3.4
St. Louis 3.2
Montana:
Ekalaka 2.5
Havre 1.6
Helena 1.5
Kalispell 1.2
Missoula 1.3
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