-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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 ZT41SUKxoOqaerDrx8o7vA==

<SEC-DOCUMENT>0001000096-07-000140.txt : 20070406
<SEC-HEADER>0001000096-07-000140.hdr.sgml : 20070406
<ACCEPTANCE-DATETIME>20070406170939
ACCESSION NUMBER:		0001000096-07-000140
CONFORMED SUBMISSION TYPE:	PRE 14A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070619
FILED AS OF DATE:		20070406
DATE AS OF CHANGE:		20070406

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADA-ES INC
		CENTRAL INDEX KEY:			0001223112
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
		IRS NUMBER:				841457335
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		PRE 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50216
		FILM NUMBER:		07754785

	MAIL ADDRESS:	
		STREET 1:		8100 SOUTHPARK WAY B
		CITY:			LITTLETON
		STATE:			CO
		ZIP:			80120
</SEC-HEADER>
<DOCUMENT>
<TYPE>PRE 14A
<SEQUENCE>1
<FILENAME>adaespre14a.txt
<DESCRIPTION>PRELIMINARY PROXY STATEMENT
</DOCUMENT>
</SUBMISSION>