OHA Drinking Water Services
OR41
PWS ID: 93427 ---- COLUMBIA RIVER NITROGEN, LLC
System Information     Schedule Counts
Status:  Active
System Type:  Non-transient Non-community
Population Served:  65
 Active:  9     Show Only Active
Inactive:  0
Expired:  6

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A Distribution SystemALEAD & COPPER5  3 Years01/01/2018OpenSample Between June 1st and Sept 30th
DIST-A Distribution SystemASTAGE 2 DBP1  3 Years01/01/2014OpenSample in August
EP-A EP FOR WELL #2AARSENIC1  9 Years01/01/2011Open
EP-A EP FOR WELL #2AIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WELL #2ANITRATE1  Yearly01/01/2002Open
EP-A EP FOR WELL #2ANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WELL #2APFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-A EP FOR WELL #2ASOC1  3 Years01/01/2002Open
EP-A EP FOR WELL #2AVOLATILE ORGANICS1  3 Years01/01/2002Open
Expired Schedules
DIST-ADistribution SystemAHAA5 & TTHM1  3 Years01/01/200512/31/2013Sample between June 1 and Sept. 30.
DIST-ADistribution SystemAHAA5 & TTHM1  Yearly01/01/200412/31/2004Sample Between June 1st and Sept 30th Each Year
DIST-ADistribution SystemALEAD & COPPER5  3 Years01/01/200212/31/2010Sample Between June 1st and Sept 30th
DIST-ADistribution SystemALEAD & COPPER5  6 Months07/01/201106/30/2012
DIST-ADistribution SystemALEAD & COPPER5  Yearly01/01/201312/31/2017Sample between June 1st and Sept 30th
EP-AEP FOR WELL #2AARSENIC1  3 Years01/01/200212/31/2010