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PS Code Transition


Water System No. : CA1910146 Federal Type : C
Water System Name : SANTA MONICA-CITY, WATER DIVISION 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 : T5

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
1910146-001 CA1910146_001_001 001 001 ARCADIA WELL 05 A
1910146-003 CA1910146_003_003 003 003 ARCADIA WELL 04 A
1910146-005 CA1910146_005_005 005 005 CHARNOCK WELL 13 - ACTIVE A
1910146-008 CA1910146_008_008 008 008 CHARNOCK WELL 16 - ACTIVE A
1910146-010 CA1910146_010_010 010 010 CHARNOCK WELL 18 - ACTIVE A
1910146-011 CA1910146_011_011 011 011 CHARNOCK WELL 19 - ACTIVE A
1910146-012 CA1910146_012_012 012 012 SANTA MONICA WELL 01 A
1910146-024 CA1910146_024_024 024 024 MWD CONNECTION SMN-1 - TREATED A
1910146-025 CA1910146_025_025 025 025 MWD CONNECTION SMN-2 - TREATED A
1910146-034 CA1910146_071_034 071 034 CHARNOCK-RAW WATER EQUALIZATION TANK EFF A
1910146-035 CA1910146_071_035 071 035 CHARNOCK GAC 1A-41% PORT A
1910146-036 CA1910146_071_036 071 036 CHARNOCK GAC 1A-73% PORT A
1910146-037 CA1910146_071_037 071 037 CHARNOCK GAC 1A-EFFLUENT PORT A
1910146-038 CA1910146_071_038 071 038 CHARNOCK GAC 1B-41% PORT A
1910146-039 CA1910146_071_039 071 039 CHARNOCK GAC 1B-73% PORT A
1910146-040 CA1910146_071_040 071 040 CHARNOCK GAC 1B-EFFLUENT PORT A
1910146-041 CA1910146_071_041 071 041 CHARNOCK GAC 2A-41% PORT A
1910146-042 CA1910146_071_042 071 042 CHARNOCK GAC 2A-73% PORT A
1910146-043 CA1910146_071_043 071 043 CHARNOCK GAC 2A-EFFLUENT PORT A
1910146-044 CA1910146_071_044 071 044 CHARNOCK GAC 2B-41% PORT A
1910146-045 CA1910146_071_045 071 045 CHARNOCK GAC 2B-73% PORT A
1910146-046 CA1910146_071_046 071 046 CHARNOCK GAC 2B-EFFLUENT PORT A
1910146-047 CA1910146_071_047 071 047 CHARNOCK GAC 3A-41% PORT A
1910146-048 CA1910146_071_048 071 048 CHARNOCK GAC 3A-73% PORT A
1910146-049 CA1910146_071_049 071 049 CHARNOCK GAC 3A-EFFLUENT PORT A
1910146-050 CA1910146_071_050 071 050 CHARNOCK GAC 3B-41% PORT A
1910146-051 CA1910146_071_051 071 051 CHARNOCK GAC 3B-73% PORT A
1910146-052 CA1910146_071_052 071 052 CHARNOCK GAC 3B-EFFLUENT PORT A
1910146-053 CA1910146_071_053 071 053 CHARNOCK GAC 4A-41% PORT A
1910146-054 CA1910146_071_054 071 054 CHARNOCK GAC 4A-73% PORT A
1910146-055 CA1910146_071_055 071 055 CHARNOCK GAC 4A-EFFLUENT PORT A
1910146-056 CA1910146_071_056 071 056 CHARNOCK GAC 4B-41% PORT A
1910146-057 CA1910146_071_057 071 057 CHARNOCK GAC 4B-73% PORT A
1910146-058 CA1910146_071_058 071 058 CHARNOCK GAC 4B-EFFLUENT PORT A
1910146-059 CA1910146_071_059 071 059 CHARNOCK GAC 5A-41% PORT A
1910146-060 CA1910146_071_060 071 060 CHARNOCK GAC 5A-73% PORT A
1910146-061 CA1910146_071_061 071 061 CHARNOCK GAC 5A-EFFLUENT PORT A
1910146-062 CA1910146_071_062 071 062 CHARNOCK GAC 5B-41% PORT A
1910146-063 CA1910146_071_063 071 063 CHARNOCK GAC 5B-73% PORT A
1910146-064 CA1910146_071_064 071 064 CHARNOCK GAC 5B-EFFLUENT PORT A
1910146-065 CA1910146_071_065 071 065 COMBINED GAC EFFLUENT A
1910146-066 CA1910146_071_066 071 066 CWTP EFFLUENT WATER (BLENDED) A
1910146-067 CA1910146_071_067 071 067 ARCADIA FILTER PLANT EFFLUENT A
1910146-068 CA1910146_071_068 071 068 CARTRIDGE FILTER COMBINED EFFLUENT A
1910146-069 CA1910146_071_069 071 069 ARCADIA RO COMB. EFFLUENT BEFORE BYPASS A
1910146-070 CA1910146_071_070 071 070 ARCADIA RO EFFLUENT & BYPASS WATER A
1910146-071 CA1910146_071_071 071 071 AWTP TREATED EFFLUENT A
1910146-072 CA1910146_071_072 071 072 ARCADIA DECARBONATOR INFLUENT A
1910146-074 CA1910146_071_074 071 074 FLUORIDE PRE-INJECTION A
1910146-010 CA1910146_072_010 072 010 BEFORE H2O2 ADDITION A
1910146-011 CA1910146_072_011 072 011 INFLUENT AFTER H2O2 A
1910146-012 CA1910146_072_012 072 012 OLYMPIC UV/AOP COMBINED EFFLUENT A
1910146-013 CA1910146_072_013 072 013 GAC SYSEM COMBINED EFFLUENT A
1910146-073 CA1910146_073_073 073 073 CHARNOCK WELL 20 A
1910146-075 CA1910146_075_075 075 075 SANTA MONICA WELL 8 A
1910146-076 CA1910146_076_076 076 076 SANTA MONICA WELL 9 A
1910146-800 CA1910146_DST_800 DST 800 SM#18 - ...* A
1910146-801 CA1910146_DST_801 DST 801 SM#15 - 30 GALE PL. - STG2 DBP A
1910146-802 CA1910146_DST_802 DST 802 STG1 #5-...* A
1910146-803 CA1910146_DST_803 DST 803 SM#62 - ...* A
1910146-804 CA1910146_DST_804 DST 804 SM#75 - ...* A
1910146-805 CA1910146_DST_805 DST 805 SM#57 - ...* A
1910146-806 CA1910146_DST_806 DST 806 STG1 #1-...* A
1910146-807 CA1910146_DST_807 DST 807 SM#33 - ...* A
1910146-808 CA1910146_DST_808 DST 808 SM#15 - ...* A
1910146-LCR CA1910146_DST_LCR DST LCR Lead and Copper Sample Sites ** A
1910146-002 CA1910146_002_002 002 002 ARCADIA WELL 03 - DESTROYED I
1910146-004 CA1910146_004_004 004 004 CHARNOCK WELL 12 - DESTROYED I
1910146-006 CA1910146_006_006 006 006 CHARNOCK WELL 14 - DESTROYED I
1910146-007 CA1910146_007_007 007 007 CHARNOCK WELL 15 - INACTIVE I
1910146-009 CA1910146_009_009 009 009 CHARNOCK WELL 17 - DESTROYED I
1910146-013 CA1910146_013_013 013 013 SANTA MONICA WELL 02 - DESTROYED I
1910146-014 CA1910146_014_014 014 014 SANTA MONICA WELL 02A - INACTIVE I
1910146-015 CA1910146_015_015 015 015 SANTA MONICA WELL 03 I
1910146-017 CA1910146_017_017 017 017 SANTA MONICA WELL 04 I
1910146-018 CA1910146_018_018 018 018 SANTA MONICA WELL 05 - DESTROYED I
1910146-019 CA1910146_019_019 019 019 SANTA MONICA WELL 06 - DESTROYED I
1910146-020 CA1910146_020_020 020 020 SANTA MONICA WELL 07 - INACTIVE I
1910146-021 CA1910146_021_021 021 021 ARCADIA TREATMENT PLANT - TREATED I
1910146-022 CA1910146_022_022 022 022 ARCADIA TREATMENT PLANT - MIXED INFLUENT I
1910146-023 CA1910146_023_023 023 023 SAMPLER 10, TREATED + MWD I
1910146-028 CA1910146_033_028 033 028 ARCADIA GAC (PARS) INFLUENT - TREATED I
1910146-029 CA1910146_033_029 033 029 ARCADIA GAC (PARS) VESSEL #1-EFFLUENT-TD I
1910146-030 CA1910146_033_030 033 030 ARCADIA GAC (PARS) VESSEL #2-PORT B I
1910146-031 CA1910146_033_031 033 031 ARCADIA GAC (PARS) VESSEL #2-EFFLUENT I
1910146-032 CA1910146_033_032 033 032 ARCADIA GAC (PARS) VESSEL #3-EFFLUENT I
1910146-033 CA1910146_033_033 033 033 ARCADIA GAC (PARS) VESSEL #4-EFFLUENT 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.