| Station: | NASON'S BROOK - STATION 638 |
| Station Number: | S-638 |
| Town: | PORTLAND |
| County: | CUMBERLAND |
| Major Drainage: | SACO |
| Site Type: | STREAM/RIVER BIOMONITORING |
| Sample Type: | ALGAE |
| Latitude: | 43.67072098 |
| Longitude: | -70.31921649 |
| Sample ID | Sample Date | Statutory Class | Attainment | Report | Final Determination |
| SA-638-2003 | 7/9/2003 | -- | -- | ||
| SA-638-2003R (206) | 7/9/2003 | C | No | View | NA |
| SA-638-2004 | 7/6/2004 | -- | -- | ||
| SA-638-2004R (265) | 7/6/2004 | C | No | View | NA |
| SA-638-2005VB | 8/16/2005 | -- | -- | ||
| SA-638-2020 | 7/6/2020 | -- | -- | ||
| SA-638-2020 (1955) | 7/6/2020 | -- | -- | ||
| SA-638-2020R (1955) | 7/16/2020 | -- | -- |