OHA Drinking Water Services
OR41
PWS ID: 90889 ---- ANNEX CHARTER SCHOOL
System Information     Schedule Counts
Status:  Active
System Type:  Non-transient Non-community
Population Served:  50
 Active:  9     Show Only Active
Inactive:  0
Expired:  8

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER5  3 Years01/01/2002OpenSample Between June 1st and Sept 30th
EP-A EP FOR WELLAARSENIC1  Yearly01/01/2025Open
EP-A EP FOR WELLADI(2-ETHYLHEXYL) PHTHALATE 1  Yearly01/01/2013OpenAnnual schedule because contaminant exceeded the MCL.
EP-A EP FOR WELLAIOC1  9 Years01/01/2008Open
EP-A EP FOR WELLANITRATE1  Yearly01/01/2002Open
EP-A EP FOR WELLANITRITE1  9 Years01/01/2008Open
EP-A EP FOR WELLAPFAS1  6 Months01/01/2023OpenInitial monitoring - 2 samples only
EP-A EP FOR WELLASOC1  3 Years01/01/2002Open
EP-A EP FOR WELLAVOLATILE ORGANICS1  3 Years01/01/2002Open
Expired Schedules
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM1  3 Years01/01/200501/01/2005Sample between June 1 and Sept. 30.
EP-AEP FOR WELLAARSENIC1  3 Years01/01/200212/31/2010
EP-AEP FOR WELLAARSENIC1  Quarterly01/01/202112/31/2024
EP-AEP FOR WELLAARSENIC1  Quarterly04/01/201112/31/2019
EP-AEP FOR WELLAARSENIC1  Yearly01/01/202012/31/2020
EP-AEP FOR WELLADI(2-ETHYLHEXYL) PHTHALATE 1  Quarterly10/01/201009/30/2012Re-open 2039 in SOC list when this schedule is closed.
EP-AEP FOR WELLAIOC1  3 Years01/01/200212/31/2007
EP-AEP FOR WELLANITRITE1  3 Years01/01/200212/31/2007