Comments on SWMM Version 1 from 1971

 Here is the requested information summarized in a table format from this history post about SWMM from 2001 https://www.openswmm.org/Topic/2045/swmm-origins:

Volume	Title	Reference Number	Pages	Year
Volume I	Final Report	11024DOC07/71 (NTIS PB?203289)	352 pp.	1971
Volume II	Verification and Testing	11024DOC08/71 (NTIS PB?203290)	172 pp.	1971
Volume III	User’s Manual	11024DOC09/71 (NTIS PB?203291)	359 pp.	1971
Volume IV	Program Listing	11024DOC10/71 (NTIS PB?203292)	249 pp.	1971

The original SWMM proposal was submitted by three groups:

Group	Key People
University of Florida	Ed Pyatt (deceased) and John Schaake (now NOAA-NWS)
Water Resources Engineers (now Camp, Dresser and McKee)	Bob Shubinski (deceased) and Carl Chen (not sure where now!)
Metcalf and Eddy (Palo Alto)	John Lager (retired)

The primary EPA project officer was Darwin Wright.

Responsibility for SWMM blocks was as follows:

SWMM Block	Responsibility
Runoff, quantity	WRE
Runoff, quality	M&E
Transport	UF
Storage/Treatment	M&E
Receiving Water	WRE

Significant contributors to SWMM over time:

Name	Contribution
Larry Roesner	Developer of the WRE Transport Model (EXTRAN)
Richard Field	Long-time EPA SWMM master, benefactor, and visionary
Bob Dickinson	The code effectively became his after about 1980
Bill James	First interactive version
Alan Peltz	Worked on the code before Bob Dickinson
Several UF grad students (notably Steve Nix, Miguel Medina, and Don Polmann)	Various contributions

Note: This list is not exhaustive and may not include many other valuable contributors.

EPA SWMM versions in table format:

Version	Year
Version 1	1969 to 1971
Version 2	1975
Interim Release	1977
Version 3	1981
Version 4	1988
Version 4.04	1989
Version 4.05	1990
Version 4.20	1992
Version 4.30	1994
Version 4.40	1997
Version 4.4g	1998