OHA Drinking Water Services
OR41
PWS ID: 00248 ---- DALLAS, CITY OF

See also: Coliform Schedules  ::  LT2 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
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 58 1 incomplete 11/13/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST  9 Years01/01/2020 - 12/31/2028 1,064 1 done 03/06/2025
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER  3 Years01/01/2027 - 12/31/2027   30 08/15/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 58 4 incomplete11/13/2025
EP-A  EP FOR RICKREALL CREEK ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,159 1 incomplete02/01/2021
EP-A  EP FOR RICKREALL CREEK IOC notes9 Years01/01/2020 - 12/31/2028 1,064 1 done 02/01/2021
EP-A  EP FOR RICKREALL CREEK NITRATE  Yearly 01/01/2026 - 12/31/2026 333 1 incomplete04/03/2025
EP-A  EP FOR RICKREALL CREEK NITRITE notes9 Years01/01/2020 - 12/31/2028 1,064 1 done 02/01/2021
EP-A  EP FOR RICKREALL CREEK RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,255 1 incomplete11/19/2020
EP-A  EP FOR RICKREALL CREEK RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,255 1 incomplete11/19/2020
EP-A  EP FOR RICKREALL CREEK RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,255 1 incomplete11/19/2020
EP-A  EP FOR RICKREALL CREEK SOC notes3 Years 01/01/2026 - 12/31/2028 1,064 2 incomplete05/16/2024
EP-A  EP FOR RICKREALL CREEK VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 333 1 incomplete02/20/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly01/01/200207/31/20101Raw Water TOC Only Required for Reduction in DBP Monitoring. Schedule ended because system only needs 1 RT per quarter to maintain DBP monitoring reduction.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200209/30/20131Schedule Reflects Monitoring Reduction Granted
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/200730Schedule ended because of L&C exceedance
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201012/31/201260Sampling does not begin until treatment is installed and is shown to be effective.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201312/31/201530Sample between June 1 and September 30 when using ASR well
EP-A  EP FOR RICKREALL CREEKARSENIC  Yearly01/01/200212/31/20041
SRC-AA  RICKREALL CREEKCYANOTOXINS  2 Weeks07/15/201801/24/20191

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More information for this water system: SDWIS ID 3885
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