The IWR-MAIN is for: Projecting municipal and industrial water demands; Analyzing the potential water savings from water demand management (water conservation) programs and incorporating these savings into projections of water demands; Analyzing the potential monetary benefits and costs of water conservation alternatives.

water demandswater savingsmonetary benefitswater conservation alternatives


IWR-MAIN Water Demand Management Suite©



Initial contribute: 2020-01-08


CDM Smith
Is authorship not correct? Feed back


Application-focused categoriesNatural-perspectiveLand regions

Detailed Description

English {{currentDetailLanguage}} English

Quoted from: http://www.dynsystem.com/IWR-MAIN/History.html 

IWR-MAIN was initially public-domain software distributed by the Corps, up through verison 5.1 in 1987. With the release of version 6.0 in 1994, the copyright was transferred to Planning and Management Consultants, Ltd. (PMCL, now CDM Smith). Versions 5.1, 6.0 and 6.1 all operated on DOS operating systems. In 1999, PMCL released the Windows Version of IWR-MAIN, which remains the most recent version of the software. In the 1990s and 2000s, the IWR-MAIN software was used extensively and often reported in water resources citations. Thus, literature and internet searches for water demand forecasting software result in citations of IWR-MAIN.

In 2003, PMCL was acquired by CDM Smith. We continue to utilize the basic concepts of IWR-MAIN, but typically develop customized Microsoft Excel spreadsheet models for individual clients that address the unique attributes of each client water service area. The advances in Microsoft Excel allow us to develop water forecast models that easily link to input data, can be customized to multiple geographic areas, provides good quality graphics and exportable output, and can include Visual Basic user interfaces if requested by the clients. These customized models can be developed more efficiently than formatting data for manual input into IWR-MAIN, configuring models to work within the IWR-MAIN structure, and exporting output to more up-to-date graphing and reporting formats. Typically, we work with clients to review: (1) their project objectives and goals, (2) the available data, and (3) the resources for the project. Given these three criteria, we develop a water demand forecast approach, and model, that utilizes the available data to meet the objectives within the resources constraint.

The most recent (1999) version of IWR-MAIN is designed for both Windows95, Windows98, and WindowsNT platforms for use in developing water demand forecasts and evaluating water conservation programs. The Water Demand Management Suite includes two stand-alone software programs, Forecast Manager and Conservation Manager.



IWR-MAIN team (2020). IWR-MAIN, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/a6c4dcb5-5c70-4f80-8415-ec369ae456c9


Initial contribute : 2020-01-08



CDM Smith
Is authorship not correct? Feed back

QR Code


{{curRelation.author.join('; ')}}



Drop the file here, orclick to upload.
Select From My Space
+ add


Cancel Submit
{{htmlJSON.Cancel}} {{htmlJSON.Submit}}
{{htmlJSON.Localizations}} + {{htmlJSON.Add}}
{{ item.label }} {{ item.value }}
{{htmlJSON.Cancel}} {{htmlJSON.Submit}}
名称 别名 {{tag}} +
系列名 版本号 目的 修改内容 创建/修改日期 作者
摘要 详细描述
{{tag}} + 添加关键字
* 时间参考系
* 空间参考系类型 * 空间参考系名称

起始日期 终止日期 进展 开发者
* 是否开源 * 访问方式 * 使用方式 开源协议 * 传输方式 * 获取地址 * 发布日期 * 发布者

编号 目的 修改内容 创建/修改日期 作者

时间分辨率 时间尺度 时间步长 时间范围 空间维度 格网类型 空间分辨率 空间尺度 空间范围
{{tag}} +
* 类型

* 名称 * 描述
示例描述 * 名称 * 类型 * 值/链接 上传

{{htmlJSON.Cancel}} {{htmlJSON.Submit}}
Title Author Date Journal Volume(Issue) Pages Links Doi Operation
{{htmlJSON.Cancel}} {{htmlJSON.Submit}}
{{htmlJSON.Add}} {{htmlJSON.Cancel}}


Authors:  {{articleUploading.authors[0]}}, {{articleUploading.authors[1]}}, {{articleUploading.authors[2]}}, et al.

Journal:   {{articleUploading.journal}}

Date:   {{articleUploading.date}}

Page range:   {{articleUploading.pageRange}}

Link:   {{articleUploading.link}}

DOI:   {{articleUploading.doi}}

Yes, this is it Cancel

The article {{articleUploading.title}} has been uploaded yet.

{{htmlJSON.Cancel}} {{htmlJSON.Confirm}}