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PS Code Transition


Water System No. : CA0110001 Federal Type : C
Water System Name : ALAMEDA COUNTY WATER DISTRICT State Type : C
Principal County Served : ALAMEDA Primary Source : SW
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
0110001-008 CA0110001_008_008 008 008 MOWRY WELL 01 A
0110001-009 CA0110001_009_009 009 009 MOWRY WELL 02 A
0110001-010 CA0110001_010_010 010 010 MOWRY WELL 03 A
0110001-011 CA0110001_011_011 011 011 MOWRY WELL 04 A
0110001-013 CA0110001_013_013 013 013 MOWRY WELL 06 A
0110001-014 CA0110001_014_014 014 014 MOWRY WELL 09 A
0110001-015 CA0110001_015_015 015 015 MISSION SAN JOSE WTP - TREATED A
0110001-016 CA0110001_016_016 016 016 NURSERY - STANDBY A
0110001-019 CA0110001_019_019 019 019 PERALTA-TYSON WELL 01 A
0110001-020 CA0110001_020_020 020 020 PERALTA-TYSON WELL 02 A
0110001-021 CA0110001_021_021 021 021 PERALTA-TYSON WELL 03 A
0110001-022 CA0110001_022_022 022 022 PERALTA-TYSON WELL 04 A
0110001-023 CA0110001_023_023 023 023 PERALTA-TYSON WELL 05 A
0110001-024 CA0110001_024_024 024 024 PERALTA-TYSON WELL 06 A
0110001-025 CA0110001_025_025 025 025 PERALTA-TYSON WELL 07 A
0110001-027 CA0110001_027_027 027 027 SFPUC TAKEOFF - CENTRAL & CHERRY A
0110001-030 CA0110001_030_030 030 030 SOUTH BAY AQUEDUCT - RAW AT MSJ WTP A
0110001-035 CA0110001_035_035 035 035 WHIPPLE WELL - STANDBY A
0110001-036 CA0110001_036_036 036 036 MOWRY WELL 07 A
0110001-037 CA0110001_037_037 037 037 MOWRY WELL 08 A
0110001-038 CA0110001_038_038 038 038 PT BLENDING FACILITY - TREATED (S1) A
0110001-138 CA0110001_038_138 038 138 MOWRY WELLFIELD COMBINED INLET A
0110001-238 CA0110001_038_238 038 238 PERALTA-TYSON WELLFIELD COMBINED INLET A
0110001-040 CA0110001_040_040 040 040 WATER TREATMENT PLANT 2 - TREATED A
0110001-041 CA0110001_041_041 041 041 SFPUC TAKEOFF - PT BLEND FACILITY (SF1) A
0110001-044 CA0110001_044_044 044 044 PERALTA TYSON WELL 08 A
0110001-045 CA0110001_045_045 045 045 CEDAR WELL 01 A
0110001-046 CA0110001_046_046 046 046 CEDAR WELL 02 A
0110001-047 CA0110001_047_047 047 047 DARVON WELL 01 A
0110001-048 CA0110001_048_048 048 048 DARVON WELL 02 A
0110001-049 CA0110001_049_049 049 049 BELLFLOWER WELL A
0110001-050 CA0110001_050_050 050 050 FARWELL WELL A
0110001-051 CA0110001_051_051 051 051 LAKE DEL VALLE RESERVOIR A
0110001-053 CA0110001_053_053 053 053 NEWARK DESALINATION FACILITY - FINISHED A
0110001-054 CA0110001_054_054 054 054 SFPUC TAKEOFF - DURHAM A
0110001-055 CA0110001_055_055 055 055 SFPUC TAKEOFF - FREMONT A
0110001-057 CA0110001_057_057 057 057 SFPUC TAKEOFF - PASEO PADRE A
0110001-058 CA0110001_058_058 058 058 SFPUC TAKEOFF - SYCAMORE A
0110001-059 CA0110001_059_059 059 059 SFPUC TAKEOFF - WASHINGTON A
0110001-060 CA0110001_060_060 060 060 SFPUC TAKEOFF - WARREN A
0110001-061 CA0110001_061_061 061 061 EMERGENCY CONNECTION - HAYWARD D STREET A
0110001-062 CA0110001_062_062 062 062 EMERGENCY CONNECTION - HAYWARD WHIPPLE A
0110001-063 CA0110001_063_063 063 063 EMERGENCY CONNECTION - MILPITAS GREEN A
0110001-064 CA0110001_064_064 064 064 EMERGENCY CONNECTION - MILPITAS MILMONT A
0110001-065 CA0110001_065_065 065 065 SFPUC TAKEOFF - MISSION A
0110001-042 CA0110001_DST_042 DST 042 K41 - DIST. ASBESTOS MONITORING SITE A
0110001-043 CA0110001_DST_043 DST 043 K16 - DIST. ASBESTOS MONITORING SITE A
0110001-056 CA0110001_DST_056 DST 056 K48 - DIST. ASBESTOS MONITORING SITE A
0110001-801 CA0110001_DST_801 DST 801 K-08 - 4...* A
0110001-802 CA0110001_DST_802 DST 802 FW-1 - M...* A
0110001-803 CA0110001_DST_803 DST 803 K-45 - 8...* A
0110001-804 CA0110001_DST_804 DST 804 K-25 - 1...* A
0110001-805 CA0110001_DST_805 DST 805 K-35 - 2...* A
0110001-806 CA0110001_DST_806 DST 806 SF1 - BL...* A
0110001-807 CA0110001_DST_807 DST 807 K-17 - 4...* A
0110001-808 CA0110001_DST_808 DST 808 K-46R - ...* A
0110001-809 CA0110001_DST_809 DST 809 K-48 - C...* A
0110001-810 CA0110001_DST_810 DST 810 K-44 - 4...* A
0110001-811 CA0110001_DST_811 DST 811 K-16 - 4...* A
0110001-812 CA0110001_DST_812 DST 812 K-18 - 2...* A
0110001-813 CA0110001_DST_813 DST 813 K-03R - ...* A
0110001-LCR CA0110001_DST_LCR DST LCR Lead and Copper Sample Sites ** A
0110001-001 CA0110001_001_001 001 001 MONITORING WELL I
0110001-002 CA0110001_002_002 002 002 I STREET - DESTROYED I
0110001-003 CA0110001_003_003 003 003 14TH STREET - DESTROYED I
0110001-004 CA0110001_004_004 004 004 DRISCOLL WELL - DESTROYED I
0110001-005 CA0110001_005_005 005 005 KING AVE. - DESTROYED I
0110001-006 CA0110001_006_006 006 006 MJB SOFT PLNT-BLEND OF WELL WATER-ABND I
0110001-007 CA0110001_007_007 007 007 MONTECITO - MONITORING SITE I
0110001-012 CA0110001_012_012 012 012 MOWRY WELL 05 - DESTROYED I
0110001-017 CA0110001_017_017 017 017 OLIVE WELL - DESTROYED I
0110001-018 CA0110001_018_018 018 018 PERALTA WELL - DESTROYED I
0110001-026 CA0110001_026_026 026 026 ROCK AVE. - DESTROYED I
0110001-028 CA0110001_028_028 028 028 SCHINN 01 - DESTROYED I
0110001-029 CA0110001_029_029 029 029 SCHINN 02 - DESTROYED I
0110001-031 CA0110001_031_031 031 031 TANK LANE - DESTROYED I
0110001-032 CA0110001_032_032 032 032 WHEELER WELL - DESTROYED I
0110001-033 CA0110001_033_033 033 033 WHIPPLE 01 - DESTROYED I
0110001-034 CA0110001_034_034 034 034 WHIPPLE 02 - DESTROYED I
0110001-039 CA0110001_039_039 039 039 BLENDING FACILITY S3 - TREATED 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.