| Archived Coliform Test Results (Pre-2002) |
| Sample Date | Type | # Samples | Repeat of | Total Pos. (1=Yes) | Fecal Pos. (1=Yes) | Sample Site | Received on |
| Oct 01, 2001 | R | 1 | | 0 | 0 | 2115 Hwy 20,Corvallis-Inside T | Nov 06, 2001 |
| Jul 02, 2001 | R | 1 | | 0 | 0 | 2115 Hwy 20,Corvallis-Inside T | Aug 03, 2001 |
| Apr 02, 2001 | R | 1 | | 0 | 0 | 2115 Hwy 20,Corvallis-Inside T | May 07, 2001 |
| Jan 15, 2001 | R | 1 | | 0 | 0 | Inside Tap | Feb 02, 2001 |
| Oct 02, 2000 | R | 1 | | 0 | 0 | 2115 Hwy 20,Corvallis-Inside T | Nov 06, 2000 |
| Jul 03, 2000 | R | 1 | | 0 | 0 | 2115 HWY 20/IS TAP | Aug 08, 2000 |
| Apr 03, 2000 | R | 1 | | 0 | 0 | 2115 HWY 20/IS TAP | May 01, 2000 |
| Jan 03, 2000 | R | 1 | | 0 | 0 | 2115 HWY 20/IS TAP | Feb 03, 2000 |
| Oct 04, 1999 | R | 1 | | 0 | 0 | 2115 HWY 20/IS TAP | Nov 03, 1999 |
| Jul 12, 1999 | R | 1 | | 0 | 0 | 2115 HWY 20/IS TAP | Aug 03, 1999 |
| Apr 05, 1999 | R | 1 | | 0 | 0 | 2115 HWY 20/IS TAP | May 03, 1999 |
| Jan 04, 1999 | R | 1 | | 0 | 0 | 2115 HWY 20/IS TAP | Feb 10, 1999 |
