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PS Code Transition


Water System No. : CA1910240 Federal Type : C
Water System Name : SANTA CLARITA VALLEY W.A.-VALENCIA DIVIS State Type : C
Principal County Served : LOS ANGELES Primary Source : SWP
Status : A Activity Date : 03-22-1979
Distribution System Classification : D5 Max Treatment Plant Classification : T2

NOTICE TO USERS OF THE DATABASE: Users of this database should use care in interpreting these data. Data that does not meet Division of Drinking Water (DDW) data quality objectives is not included and the provided data may not be representative of water served by a water system. For example, the presence of a contaminant in a particular source of water at a given concentration does not necessarily mean that the water from that source was served by the water system to its customers, or, if served, that the contaminant was present at that concentration. Water systems may not use certain sources or may treat or blend them prior to serving the water to customers.

Questions about contaminants in particular sources are best addressed by the specific public water system, or by the associated DDW district office.

The Division of Drinking Water's (DDW's) drinking water quality monitoring schedules identify upcoming required testing of drinking water for water systems in California. These documents should not be used for determining whether water systems are in compliance with monitoring requirements. The purpose for providing these monitoring schedules is to allow water systems to verify that their sampling and analyses have been incorporated into the DDW database and to identify upcoming required monitoring/sampling events.

Notes for Water Systems:
1. The monitoring notification documents should be considered "draft," in that they will change with subsequent updates, and as monitoring data are submitted, or as monitoring schedules are revised .
2. The monitoring notification documents are derived from the DDW Water Quality database and from schedules maintained by DDW districts.
3. If your upcoming monitoring or your data identified as "DUE" are not in agreement with this document, or if your have been advised of any increased monitoring that is not reflected in the report for a particular source, please contact your District Engineer or LPA representative. For a map of the districts, please click here.
4. If your notification report for a source is blank, this does not necessarily indicate compliance with all monitoring requirements.
5. These notification reports may not reflect compliance with initial monitoring for newly regulated constituents, or constituents that require special monitoring frequencies. For example, the DDW database is unable to accurately forecast the vulnerable non-volatile synthetic organic chemical (SOC) frequency for large water systems serving over 3,300 people of 2 quarters every 3 years.
5a. For radionuclide compliance monitoring, a gross alpha (GA) particle activity measurement may be substituted for other measurements when the assigned value is less than 5 pCi/L. The assigned value is calculated by adding 0.84 of the counting error (CE) to the gross alpha result (GA + 0.84xCE). If the assigned value is greater than 5 pCi/L, then the water sample must be analyzed for uranium per Section 64442, Article 5, Chapter 15, Division 4, Title 22 of the California Code of Regulations. In addition, if the difference between the assigned value and the uranium measurement [GA + (0.84 x CE) - U] is greater than 5 pCi/L, analysis for Radium-226 and Radium-228 is required. If you have specific questions, contact your DDW District Office.
6. Some Nitrate (as N) results under storet code 00618, will have a result of �N/A� which stands for �Not Applicable.� This stems from the change in regulation requiring that all nitrate sampling be reported as Nitrate (as N) starting January 1, 2016. Prior nitrate sampling was reported as Nitrate (as NO3). With this change in nitrate reporting requirements, the monitoring schedules have captured the last date of Nitrate (as NO3) sampling and applied it to Nitrate (as N) in determining the next due date [unless there have been Nitrate (as N) samples collected]. The Nitrate (as NO3) result, however, does not carry over to Nitrate (as N) which is why there may be a notation in the �Constituent Identification� column to reference storet code 71850 for the last nitrate result. In these instances, the �Constituent Identification� column will say, �NITRATE (as N) � [see 71850].� Any questions should be referred to your District Engineer.  
Test Legends:
  • PS Code = Primary Station Code; used by laboratories to upload water quality data
  • Old PS Code = (Water System Number)-(Sample Point ID)
  • New PS Code = (Water System Number)_(Facility ID)_(Sampling Point ID) to be used by laboratories to upload water quality data when CLIP (California Laboratory Intake Portal) is implemented
  • Facility Status: A = Active; P = Proposed
  • Certain PS Codes have been removed from this table as they are not intended to have water quality data electronically reported. As an example, a water system may have a PS Code to represent Well 01 and another PS Code to represent Well 01 Chlorination. However, water quality data should only be reported to the PS Code for Well 01. The PS Code for Well 01 Chlorination would be removed from the list to avoid confusion in uploading data. If you notice that a PS Code is missing from the list that may be needed for uploading water quality data, please contact your District Office or Local County Primacy Agency.

Click to hide / show columns: Old PS Code | New PS Code | Facility ID | Sample Point ID | Sample Point Name | Status


Monitoring Schedules for All Sampling Points
Water System Sampling Points
Old PS Codes New PS Codes Facility ID Sample Point ID Sample Point Name Status
1910240-003 CA1910240_003_003 003 003 WELL 160 A
1910240-004 CA1910240_004_004 004 004 WELL N A
1910240-017 CA1910240_017_017 017 017 WELL W-9 A
1910240-018 CA1910240_018_018 018 018 WELL U-4 A
1910240-021 CA1910240_021_021 021 021 WELL D A
1910240-023 CA1910240_023_023 023 023 CASTAIC LAKE WATER AGENCY CONN.-TREATED A
1910240-025 CA1910240_025_025 025 025 WELL S-8 A
1910240-026 CA1910240_026_026 026 026 WELL S-7 A
1910240-046 CA1910240_046_046 046 046 WELL N-7 A
1910240-047 CA1910240_047_047 047 047 WELL N-8 A
1910240-049 CA1910240_049_049 049 049 WELL W10 A
1910240-051 CA1910240_051_051 051 051 WELL W11 A
1910240-052 CA1910240_052_052 052 052 WELL 206 A
1910240-058 CA1910240_058_058 058 058 WELL U-6 A
1910240-062 CA1910240_062_062 062 062 WELL E-15 A
1910240-066 CA1910240_066_066 066 066 WELL E-17 A
1910240-070 CA1910240_070_070 070 070 WELL T7 A
1910240-071 CA1910240_071_071 071 071 WELL W9 SOFTENING TREATMENT EFFLUENT A
1910240-073 CA1910240_073_073 073 073 WELL 207 A
1910240-075 CA1910240_075_075 075 075 WELLS N/N7/N8 PFAS TREAT- LEAD VESSEL A A
1910240-076 CA1910240_076_076 076 076 WELLS N/N7/N8 PFAS TREAT- LEAD VESSEL B A
1910240-077 CA1910240_077_077 077 077 WELLS N/N7/N8 PFAS TREAT- LEAD VESSEL C A
1910240-078 CA1910240_078_078 078 078 WELLS N/N7/N8 PFAS TREAT - LAG VESSEL A A
1910240-079 CA1910240_079_079 079 079 WELLS N/N7/N8 PFAS TREAT - LAG VESSEL B A
1910240-080 CA1910240_080_080 080 080 WELLS N/N7/N8 PFAS TREAT - LAG VESSEL C A
1910240-081 CA1910240_081_081 081 081 WELLS N/N7/N8-IX COMB EFFL/PRE CHLORINAT A
1910240-082 CA1910240_082_082 082 082 WELLS N/N7/N8 - CHLORAMINATED FINISHED A
1910240-083 CA1910240_083_083 083 083 WELL N/N7/N8 BLEND-INFLUEN LEAD VESSEL A A
1910240-084 CA1910240_084_084 084 084 WELL N/N7/N8 BLEND-INFLUEN LEAD VESSEL B A
1910240-085 CA1910240_085_085 085 085 WELL N/N7/N8 BLEND-INFLUEN LEAD VESSEL C A
1910240-800 CA1910240_DST_800 DST 800 26566 BR...* A
1910240-801 CA1910240_DST_801 DST 801 25375 AV...* A
1910240-802 CA1910240_DST_802 DST 802 24500 DE...* A
1910240-803 CA1910240_DST_803 DST 803 30559 BE...* A
1910240-804 CA1910240_DST_804 DST 804 29158 BL...* A
1910240-805 CA1910240_DST_805 DST 805 29705 AL...* A
1910240-806 CA1910240_DST_806 DST 806 25105SAG...* A
1910240-807 CA1910240_DST_807 DST 807 24008 BR...* A
1910240-LCR CA1910240_DST_LCR DST LCR Lead and Copper Sample Sites ** A
1910240-001 CA1910240_001_001 001 001 WELL 157 - DESTROYED I
1910240-002 CA1910240_002_002 002 002 WELL 158 - DESTROYED I
1910240-005 CA1910240_005_005 005 005 WELL Q-2 - INACTIVE I
1910240-006 CA1910240_006_006 006 006 WELL R-2 - DESTROYED I
1910240-007 CA1910240_007_007 007 007 W9 WATER SOFTENING EFFLUENT I
1910240-008 CA1910240_008_008 008 008 WELL U-3 - DESTROYED I
1910240-009 CA1910240_009_009 009 009 WELL 159 - (IRRIGATION) INACTIVE I
1910240-010 CA1910240_010_010 010 010 WELL N-3 - DESTROYED I
1910240-011 CA1910240_011_011 011 011 WELL N-4 - DESTROYED I
1910240-012 CA1910240_012_012 012 012 WELL K-2 - DESTROYED I
1910240-013 CA1910240_013_013 013 013 WELL L-2 - DESTROYED I
1910240-014 CA1910240_014_014 014 014 WELL T-4 - DESTROYED I
1910240-015 CA1910240_015_015 015 015 WELL W-4 - DESTROYED I
1910240-016 CA1910240_016_016 016 016 WELL W-6 - DESTROYED I
1910240-019 CA1910240_019_019 019 019 WELL I - INACTIVE I
1910240-020 CA1910240_020_020 020 020 WELL 201-INACTIVE I
1910240-022 CA1910240_022_022 022 022 WELL T-2 - DESTROYED I
1910240-024 CA1910240_024_024 024 024 WELL S-6 - INACTIVE I
1910240-027 CA1910240_027_027 027 027 WELL 157 - TABLET CHLORINATION-DESTROYED I
1910240-029 CA1910240_029_029 029 029 WELL N - TABLET CHLORINATION -INACTIVE I
1910240-030 CA1910240_030_030 030 030 WELL Q-2 - TABLET CHLORINATION -INACTIVE I
1910240-031 CA1910240_031_031 031 031 WELL U-3 -TABLET CHLORINATION-DESTROYED I
1910240-032 CA1910240_032_032 032 032 WELL N-3 -TABLET CHLORINATION-DESTROYED I
1910240-033 CA1910240_033_033 033 033 WELL N-4 - TABLET CHLORINATION-DESTROYED I
1910240-034 CA1910240_034_034 034 034 WELL K-2 - TABLET CHLORINATION-DESTROYED I
1910240-035 CA1910240_035_035 035 035 WELL L-2 - TABLET CHLORINATION-DESTROYED I
1910240-036 CA1910240_036_036 036 036 WELL T-4 - TABLET CHLORINATION-DESTROYED I
1910240-037 CA1910240_037_037 037 037 WELL W-6 - TABLET CHLORINATION-DESTROYED I
1910240-040 CA1910240_040_040 040 040 WELL 201 -TABLET CHLORINATION -INACTIVE I
1910240-042 CA1910240_042_042 042 042 WELL T-2 - TABLET CHLORINATION-DESTROYED I
1910240-043 CA1910240_043_043 043 043 WELL S-6 -TABLET CHLORINATION -INACTIVE I
1910240-048 CA1910240_048_048 048 048 WELL 205 - INACTIVE I
1910240-050 CA1910240_050_050 050 050 WELL 205 -TABLET CHLORINATION - INACTIVE I
1910240-054 CA1910240_054_054 054 054 WELL N-7 - TABLET CHLORINATION -INACTIVE I
1910240-055 CA1910240_055_055 055 055 WELL N-8 - TABLET CHLORINATION -INACTIVE I
1910240-060 CA1910240_060_060 060 060 WELL E-14 - INACTIVE I
1910240-064 CA1910240_064_064 064 064 WELL E-16 - INACTIVE I
1910240-068 CA1910240_068_068 068 068 WELL Q2 LEAD IX EFFLUENT - INACTIVE I
1910240-069 CA1910240_069_069 069 069 WELL Q2 LAG IX EFFLUENT - INACTIVE I
Old PS Codes Old PS Codes Facility ID Sample Point ID Sample Point Name Status
 
*Please refer to the Stage 2 DBP Monitoring Plan Approval Letter for full sample point names.
**Please use this PS Code for all lead and copper samples.