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| EPA# 430979004 | 1978 Needs Survey: Continuous Stormwater Pollution Simulation, Users Manual | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430979002 | 1978 Needs Survey: Conveyance and Treatment of Municipal Wastewater: Summaries of Technical Data | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430979001 | 1978 Needs Survey: Cost Estimates for Construction of Publicly-Owned Treatment Facilities | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430979003 | 1978 Needs Survey: Cost Methodology for Control of Combined Sewer Overflow and Stormwater Discharge | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430981008 | 1980 Needs Survey: Conveyance Treatment and Control of Municipal Wastewater Combined Sewer Overflows and Stormwater Runoff: Summaries of Technical Data | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430981001 | 1980 Needs Survey: Cost Estimates of Construction of Publicly-Owned Wastewater Treatment Facilities | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430983002 | 1982 Needs Survey: Conveyance Treatment and Control of Municipal Wastewater Combined Sewer Overflows and Stormwater Runoff: Summaries of Technical Data | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430982009 | 1982 Needs Survey: Cost Estimates for Construction of Publicly-Owned Wastewater Treatment Facilities | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# N/A | 1984 Alaskan Placer Mining Study and Testing Summary Report: Preliminary Draft | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# N/A | 1984 Needs Survey: A Guide to COGENT 2 | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 832C84100 | 1984 Needs Survey: Data Tape and User's Manual | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430984011 | 1984 Needs Survey: Report to Congress - Assessment of Needed Publicly Owned Wastewater Treatment Facilities in the United States | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# N/A | 1984 Needs Survey: User's Manual | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430987001 | 1986 Needs Survey Report to Congress: Assessment of Needed Publicly Owned Wastewater Treatment Facilities in the United States | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430989001 | 1988 Needs Survey: Report to Congress: Assessment of Needed Publicly Owned Wastewater Treatment Facilities in the United States | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 430991024 | 1990 Needs Survey: Report to Congress - Assessment of Needed Publicly Owned Wastewater Treatment Facilities in the United States Including Federally Recognized Indian Tribes and Alaska Native Villages | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# N/A | 1990: A Strategy for Municipal Wastewater Treatment Workshops | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 832R93002 | 1992 Needs Survey: Report to Congress | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# N/A | 1996 Clean Water Needs Survey [CD] | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 832R97003 | 1996 Clean Water Needs Survey: Report to Congress | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 832K97001 | 1997 National Wastewater Management Excellence Awards Ceremony | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 832K98001 | 1998 National Wastewater Management Excellence Awards Ceremony | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 822R98008 | 1998 Update of Ambient Water Quality Criteria for Ammonia | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| EPA# 816R01005 | 1999 Drinking Water Infrastructure Needs Survey: Modeling the Cost of Infrastructure | ![](https://webarchive.library.unt.edu/eot2008/20081111092014im_/http://yosemite.epa.gov/icons/ecblank.gif) |