OHA Drinking Water Services
OR41
PWS ID: 00912 ---- TYGH VALLEY WATER DISTRICT

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 Years01/01/2026 - 12/31/2026   5incomplete09/11/2022
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR WELL #1 (MAIN WELL) ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,064 1 incomplete12/13/2022
EP-A  EP FOR WELL #1 (MAIN WELL) IOC notes9 Years 01/01/2020 - 12/31/2028 1,064 1 incomplete12/12/2019
EP-A  EP FOR WELL #1 (MAIN WELL) NITRATE  Yearly 01/01/2026 - 12/31/2026 333 1 incomplete10/02/2025
EP-A  EP FOR WELL #1 (MAIN WELL) NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,064 1 incomplete12/12/2019
EP-A  EP FOR WELL #1 (MAIN WELL) RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,064 1 incomplete12/13/2022
EP-A  EP FOR WELL #1 (MAIN WELL) RAD - RADIUM 226/228 6 Years 01/01/2026 - 12/31/2031 2,159 1 incomplete12/13/2022
EP-A  EP FOR WELL #1 (MAIN WELL) RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,159 1 incomplete12/13/2022
EP-A  EP FOR WELL #1 (MAIN WELL) SOC  3 Years 01/01/2026 - 12/31/2028 1,064 1 incomplete12/13/2022
EP-A  EP FOR WELL #1 (MAIN WELL) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,064 1 incomplete12/13/2022

9  secs
Show Only Active

Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
EP-A  EP FOR WELL #1 (MAIN WELL)RAD - GROSS ALPHA  9 Years01/01/200812/31/20161
EP-A  EP FOR WELL #1 (MAIN WELL)RAD - RADIUM 226/228  9 Years01/01/200812/31/20251
EP-A  EP FOR WELL #1 (MAIN WELL)RAD - URANIUM  9 Years01/01/200812/31/20251
EP-B  EP FOR WELL #2 (FAIRGROUNDS)NITRATE  Yearly01/01/200201/23/20021
EP-B  EP FOR WELL #2 (FAIRGROUNDS)SOC  3 Years01/01/200201/23/20021
EP-B  EP FOR WELL #2 (FAIRGROUNDS)VOLATILE ORGANICS  3 Years01/01/200201/23/20021

Show Only Active


More information for this water system: SDWIS ID 3469
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