| Date Filed | Summary | Pages |
| 12/31/2012 | Final tariff of Columbia Park Water and Sewer System for PUCO Tariff No. 1 effective on January 3, 2013 filed on behalf of Columbia Park Water and Sewer System. | 18 |
| 06/11/2010 | Revised tariff pages PUCO Tariff No. 1 filed by M. Stricker on behalf of Columbia Park Water and Sewer System. | 5 |
| 05/27/2010 | Revised tariff pages, PUCO No. 1 filed by J. Martin on behalf of Columbia Park Water and Sewer System. | 16 |
| 04/03/2009 | Correspondence stating that rate increase letters have been mailed to residents of Columbia Park filed on behalf of Columbia Park Water and Sewer System, by K. Burnham. | 5 |
| 10/27/2004 | Schedule of rates and regulations filed on behalf of Columbia Park Water and Sewer System. | 19 |
| 10/21/2004 | Proposed Tariff for Columbia Park Water and Sewer System PUCO No.1 filed by J. Martin. | 22 |
| 03/13/2003 | Tariff page correction filed on behalf of Carroll Township Treatment Services, LLC by S. Bloomfield. | 2 |
| 02/10/2003 | Tariff (sewer), PUCO No. 1, Subject Index, original page ii, original page iii, original page iv, and 1st page 6, filed on behalf of applicant by S. Bloomfield. | 5 |
| 10/04/2001 | In the matter of the application of Columbia Park Water/Sewer System for a certificate of public convenience and necessity and approval of rates. (FILED 10/3/01)
Delete it is a duplicate | 174 |