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Water System Detail Information

Water System No.:

AZ0414515

Federal Type:

C

Water System Name:

TACNA WATER IMPROVEMENT DISTRICT

Primary Source:

SW

Principal County Served:

YUMA

System Status:

A - MAP

Comments:

Activity Date:

2025-10-09


Routine TCR Sample Schedules
Begin/End Date Seasonal Period Sample Frequency
2025-11-01     -     Continuous 1/1   -   12/31 1 RT/MN

    Calendar        Calendar

Repeat TCR Sample Schedules
Begin Date End Date Sample Frequency Original Sample ID/Date


Group Non-TCR Sample Schedules
Facility Begin/End Date Init MP Begin Dt Sample Frequency Group Code Analyte Group Name
DS001 2026-01-01 Continuous 2026-01-01 10 RT/6M PBCU LEAD & COPPER
EPDS001 2026-01-01 Continuous 2026-01-01 1 RT/YR IOCC IOCS-CWS
EPDS001 2026-01-01 Continuous 2026-01-01 1 RT/QT RADI INITIAL RADS
EPDS001 2026-01-01 Continuous 2026-01-01 4 RT/3Y SOCI INITIAL SOCS
EPDS001 2026-01-01 Continuous 2026-01-01 1 RT/QT VOCI INITIAL VOCD
U145150SI 2026-04-01 Continuous 2026-03-22 1 RT/2W LT21 LT2 ECOLI
U145150SI 2026-02-01 Continuous 2026-02-01 1 RT/MN TOCA TOC AND ALKALINITY


Individual Non-TCR Sample Schedules
Facility Begin/End Date Init MP Begin Dt Seasonal Req. Code Analyte Name
DS001 2026-03-01 Continuous 2026-01-01 9/1- 9/30 1 RT/QT 2456 TOTAL HALOACETIC ACIDS (HAA5)
DS001 2026-03-01 Continuous 2026-01-01 9/1- 9/30 1 RT/QT 2950 TTHM
EPDS001 2026-01-01 Continuous 2026-01-01 1 RT/QT 1040 NITRATE
EPDS001 2026-01-01 Continuous 2026-01-01 1 RT/9Y 1041 NITRITE
EPDS001 2026-01-01 Continuous 2026-01-01 1 RT/9Y 1094 ASBESTOS
TPSW001 2026-02-01 Continuous 2026-02-01 1 RT/MN 2920 CARBON, TOTAL


Facility Analyte Levels(FANLS)
Site Analyte Level Type Value Units Days/Month Samples/Day Begin Date End Date MDBP Type
DS001 0999 MIN

 0.001

 MG/L

1 0 2025-11-01 Continuous DSRD
DS001 0999 MAX

 4

 MG/L

1 0 2025-11-01 Continuous MRDL
TPSW001 0100 MAX

 1

 NTU

31 1 2025-11-01 Continuous MAXT
TPSW001 0100 95P

 0.3

 NTU

31 1 2025-11-01 Continuous 95PT
TPSW001 0999 MIN

 0.2

 MG/L

31 1 2025-11-01 Continuous EPRD
TPSW001 2920 MIN

 1.0

 RATIO

 0 0 2025-11-01 Continuous TOCA
U145150SI 3014 MAX

 50

 COL/100ML

 0 0 2026-04-01 Continuous



Sample Plans
Rule Analyte/Analyte Group Eff. Begin Eff. End App. Date For Comp.
DBP2 2026-03-06 2026-03-06 N
LT2R LT21 - LT2 ECOLI 2026-04-01 2027-03-31 N