OHA Drinking Water Services
OR41
PWS ID: 94562 ---- LAMB WESTON

See also: Coliform Schedules

Chemical Sampling Schedule Status
Facility
ID		 Analyte or Group   Sampling
Interval		 Monitoring Period Days
Until
End		 Samples
Required		 Samples
Received		 Last
Sample
Date
Start End
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   5 06/19/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 354 1 incomplete09/10/2025
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR WELLS #1,#2, & #3 ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,180 1 incomplete07/13/2022
EP-A  EP FOR WELLS #1,#2, & #3 IOC notes9 Years01/01/2020 - 12/31/2028 1,085 1 done 07/13/2022
EP-A  EP FOR WELLS #1,#2, & #3 NITRATE  Quarterly 01/01/2026 - 03/31/2026 79 1 incomplete10/08/2025
EP-A  EP FOR WELLS #1,#2, & #3 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,085 1 done 07/13/2022
EP-A  EP FOR WELLS #1,#2, & #3 SOC  3 Years 01/01/2026 - 12/31/2028 1,085 1 incomplete07/29/2025
EP-A  EP FOR WELLS #1,#2, & #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,085 1 incomplete07/13/2022

6  secs
Show Only Active

Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20025Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemSTAGE 2 DBP  Yearly01/01/201412/31/20182Sample in August
EP-A  EP FOR WELLS #1,#2, & #3ARSENIC  3 Years01/01/200212/31/20131
EP-A  EP FOR WELLS #1,#2, & #3NITRATE  Quarterly01/01/200209/30/20021
EP-A  EP FOR WELLS #1,#2, & #3NITRATE  Yearly01/01/200306/30/20191R&C below the MCL for NO3 as of 3/31/03. Sample in 2nd quarter.

Show Only Active


More information for this water system: SDWIS ID 2271
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
PFAS data are now located on the Chemical Results page.
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login