-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Hfiv//veTpYX/aiKwdTTlJQGW/m/wnirMXLO1ygHzFVdcKCaEOEOVJMV1NAhiBca
 /7zVNd9ixZK3QQb2FnGCYw==

<SEC-DOCUMENT>0001223112-08-000031.txt : 20080401
<SEC-HEADER>0001223112-08-000031.hdr.sgml : 20080401
<ACCEPTANCE-DATETIME>20080401114410
ACCESSION NUMBER:		0001223112-08-000031
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080328
FILED AS OF DATE:		20080401
DATE AS OF CHANGE:		20080401

ISSUER:		

	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

	MAIL ADDRESS:	
		STREET 1:		8100 SOUTHPARK WAY B
		CITY:			LITTLETON
		STATE:			CO
		ZIP:			80120

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Miller Richard
		CENTRAL INDEX KEY:			0001365839

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50216
		FILM NUMBER:		08727979

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		610-760-1555

	MAIL ADDRESS:	
		STREET 1:		4589 LEHIGH DRIVE
		CITY:			WALNUTPORT
		STATE:			PA
		ZIP:			18088
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2008-03-28</periodOfReport>

    <dateOfOriginalSubmission>2008-03-28</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001223112</issuerCik>
        <issuerName>ADA-ES INC</issuerName>
        <issuerTradingSymbol>ADES</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001365839</rptOwnerCik>
            <rptOwnerName>Miller Richard</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4589 LEHIGH DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALNUTPORT</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18088</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP Business Development</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12579</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Richard Miller</signatureName>
        <signatureDate>2008-04-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----