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Disinfection Byproducts (DBP) Sample Sites - PWS ID: 00657 ---- PORTLAND WATER BUREAU

See DBP (TTHM & HAA5) monitoring schedule

Sample Point ID Location
2DBP-01 WQ068 AIRPORT WAY
2DBP-02 WQ018 24TH & HOYT
2DBP-03 WQ020 ENG 24
2DBP-05 WQ105 UPPER LINTON
2DBP-06 WQ071 INTERSTATE
2DBP-07 WQ012 HAYHURST
2DBP-09 WQ026 ENG 48
2DBP-10 WQ032 BUCKMAN
2DBP-12 WQ155 SE 140TH & MITCHELL
2DBP-13 WQ253 ROSWELL 2
2DBP-14 WQSS 271 - NE 3RD & COUCH
2DBP-15 WQSS 195 16TH & ALDER

Stage 1 compliance sample sites begin with "DBP." DBPMAX refers to the point of maximum residence time in the distribution system; this is generally the point farthest from the point of disinfection. DBPXX (for example, DBP01) refers to points within the distribution that represent an average disinfectant level.

Stage 2 IDSE sample sites begin with "IDSE." Stage 2 compliance sample sites begin with "2DBP." For more information about the Stage 2 DBP Rule, visit the Stage 2 DBP Rule website.



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