UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549


                                    FORM 8-K

                                 CURRENT REPORT
         PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT
                                     OF 1934

       Date of Report (Date of earliest event reported): December 16, 2003




                          AMERICAN ECOLOGY CORPORATION
                          ----------------------------
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)


          DELAWARE                       0-11688                95-3889638
          --------                       -------                ----------
(State or other jurisdiction of  (Commission File Number)    (I.R.S. Employer
incorporation or organization)                            Identification Number)


       Lakepointe Centre I,
    300 E. Mallard, Suite 300
          Boise, Idaho                                        83706
          ------------                                        -----
(Address of principal executive                             (Zip Code)
           offices)



                                 (208) 331-8400
                                 --------------
              (Registrant's telephone number, including area code)



ITEM 5. OTHER INFORMATION.

On  December 16, 2003, American Ecology Corporation and Wells Fargo Bank Entered
into  an  amendment  to  the line of credit agreement that increased the maximum
amount available from $6,000,000 to $8,000,000 and extended the maturity date to
June  15,  2005.

The amendment to the line of credit agreement is attached as Exhibit 10.50d, and
incorporated  by  reference  herein.


ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS.

     (c)  Exhibits. The following exhibit is filed as part of this report:

   Exhibit 10.50d   Sixth Amendment to Credit Agreement between American Ecology
                    Corporation and Wells Fargo Bank dated December 16, 2003





SIGNATURES
----------

Pursuant  to  the  requirements  of  the  Securities  Exchange  Act of 1934, the
registrant  has  duly  caused  this  report  to  be  signed on its behalf by the
undersigned  thereunto  duly  authorized.



                                        AMERICAN ECOLOGY CORPORATION
                                        (Registrant)




Date: December 17, 2003                 By: /S/ James R. Baumgardner
                                            ------------------------
                                         James R. Baumgardner
                                         Senior Vice President, Chief Financial
                                         Officer, Secretary and Treasurer





                                    EXHIBIT INDEX

Exhibit                              Description
-------                              -----------

Exhibit 10.50d   Sixth Amendment to Credit Agreement between American Ecology
                 Corporation and Wells Fargo Bank dated December 16, 2003