Wisconsin Department of Natural Resources Drinking Water System Routine Monitoring Requirements Period: 01/01/2026 to 12/31/2026 Subject to change -- based on information provided to DNR as of 11/15/2026 Attachment 1 11/15/2026 04:08:38 PM

If any of the following information has changed, please contact your DNR representative with any corrections:
ZENTNER, SONNY EAU CLAIRE, WI 54701
Phone: (715) 928-1624 Email: SONNY.ZENTNER@WISCONSIN.GOV

System Name: SPRING VALLEY WATERWORKS PWS ID#: 64802496 Population: 1,409

Sampler: PUBLIC WORKS DIRECTOR STEVEN KIRBY Owner: VILLAGE OF SPRING VALLEY

The following is a table of the routine monitoring required for this water system (additional monitoring may be required based on results of this monitoring). Each row represents a DNR monitoring requirement. Failure to complete a requirement may result in a monitoring violation. Please make sure that you are using the correct lab sheet for each sample, based on the correct time period, sample location and sample group.

Completed? Monitoring Period Sample Source Sample Group # of samples # of contams
COMPLETEJANUARYDistributionColiform Bacteria21
COMPLETEJANUARYDistributionFluoride - Operator/Lab Split11
COMPLETEJANUARY - MARCH3 RawColiform Bacteria11
COMPLETEJANUARY - MARCH4 RawColiform Bacteria11
COMPLETEJANUARY - SEPTEMBEREP 3Inorganics126
COMPLETEJANUARY - SEPTEMBEREP 4Inorganics126
COMPLETEJANUARY - SEPTEMBEREP 3Radioactivity - Grab14
COMPLETEJANUARY - SEPTEMBEREP 4Radioactivity - Grab14
COMPLETEJANUARY - SEPTEMBEREP 3Volatile Organics121
COMPLETEJANUARY - SEPTEMBEREP 4Volatile Organics121
COMPLETEFEBRUARYDistributionColiform Bacteria21
COMPLETEFEBRUARYDistributionFluoride - Operator/Lab Split11
COMPLETEMARCHDistributionColiform Bacteria21
COMPLETEMARCHDistributionFluoride - Operator/Lab Split11
COMPLETEAPRILDistributionColiform Bacteria21
COMPLETEAPRILDistributionFluoride - Operator/Lab Split11
COMPLETEAPRIL - JUNE3 RawColiform Bacteria11
COMPLETEAPRIL - JUNE4 RawColiform Bacteria11
COMPLETEMAYDistributionColiform Bacteria21
COMPLETEMAYDistributionFluoride - Operator/Lab Split11
COMPLETEJUNEDistributionColiform Bacteria21
COMPLETEJUNEDistributionFluoride - Operator/Lab Split11
COMPLETEJUNE - SEPTEMBERDistributionLead and copper102
COMPLETEJULYDistributionColiform Bacteria21
COMPLETEJULYDistributionFluoride - Operator/Lab Split11
COMPLETEJULY - SEPTEMBER3 RawColiform Bacteria11
COMPLETEJULY - SEPTEMBER4 RawColiform Bacteria11
COMPLETEJULY - SEPTEMBERDistributionDisinfection Byproducts (TTHM, HAA5)111
COMPLETEAUGUSTDistributionColiform Bacteria21
COMPLETEAUGUSTDistributionFluoride - Operator/Lab Split11
COMPLETESEPTEMBERDistributionColiform Bacteria21
COMPLETESEPTEMBERDistributionFluoride - Operator/Lab Split11
COMPLETEOCTOBERDistributionColiform Bacteria21
COMPLETEOCTOBERDistributionFluoride - Operator/Lab Split11
COMPLETEOCTOBER - DECEMBER3 RawAmmonia11
COMPLETEOCTOBER - DECEMBER4 RawAmmonia11
COMPLETEOCTOBER - DECEMBER3 RawColiform Bacteria11
COMPLETEOCTOBER - DECEMBER4 RawColiform Bacteria11
NOVEMBERDistributionColiform Bacteria21
COMPLETENOVEMBERDistributionFluoride - Operator/Lab Split11
NOVEMBEREP 3Per/Poly-Fluoroalkyls (PFAS)16
NOVEMBEREP 4Per/Poly-Fluoroalkyls (PFAS)16
DECEMBERDistributionColiform Bacteria21
DECEMBERDistributionFluoride - Operator/Lab Split11
Waivers:
Asbestos (Inorganic Report Form)3Waiver issued - No sampling required during calendar year 2026
Asbestos (Inorganic Report Form)4Waiver issued - No sampling required during calendar year 2026
Benzo(A)Pyrene (Synthetic Form)3Waiver issued - No sampling required during calendar year 2026
Benzo(A)Pyrene (Synthetic Form)4Waiver issued - No sampling required during calendar year 2026
Cyanide (Inorganic Report Form)3Waiver issued - No sampling required during calendar year 2026
Cyanide (Inorganic Report Form)4Waiver issued - No sampling required during calendar year 2026
Dioxin (Synthetic Report Form)3Waiver issued - No sampling required during calendar year 2026
Dioxin (Synthetic Report Form)4Waiver issued - No sampling required during calendar year 2026
EDB/DBCP (Synthetic Report Form)3Waiver issued - No sampling required during calendar year 2026
EDB/DBCP (Synthetic Report Form)4Waiver issued - No sampling required during calendar year 2026
Industrial Chemicals (Synthetic Form)3Waiver issued - No sampling required during calendar year 2026
Industrial Chemicals (Synthetic Form)4Waiver issued - No sampling required during calendar year 2026
Synthetic Organics - Pop < 100003Waiver issued - No sampling required during calendar year 2026
Synthetic Organics - Pop < 100004Waiver issued - No sampling required during calendar year 2026