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 02:16:02 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: MAIDEN ROCK WATER UTILITY PWS ID#: 64802408 Population: 118

Sampler: BRIAN GARAY Owner: MAIDEN ROCK VILLAGE CLERK/TREAS

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
COMPLETEJANUARY - MARCH1 RawColiform Bacteria11
COMPLETEJANUARY - MARCH3 RawColiform Bacteria11
COMPLETEJANUARY - SEPTEMBER1 RawInorganics126
COMPLETEJANUARY - SEPTEMBEREP 3Inorganics127
COMPLETEJANUARY - SEPTEMBER1 RawRadioactivity14
COMPLETEJANUARY - SEPTEMBER1 RawSynthetic Organics127
COMPLETEJANUARY - SEPTEMBEREP 3Synthetic Organics128
COMPLETEJANUARY - SEPTEMBER1 RawVolatile Organics121
COMPLETEJANUARY - SEPTEMBEREP 3Volatile Organics121
COMPLETEFEBRUARYDistributionColiform Bacteria21
COMPLETEMARCHDistributionColiform Bacteria21
COMPLETEMARCHEP 3Per/Poly-Fluoroalkyls (PFAS)16
COMPLETEAPRILDistributionColiform Bacteria21
COMPLETEAPRIL - JUNE1 RawColiform Bacteria11
COMPLETEAPRIL - JUNE3 RawColiform Bacteria11
COMPLETEMAYDistributionColiform Bacteria21
COMPLETEJUNEDistributionColiform Bacteria21
COMPLETEJUNE - SEPTEMBERDistributionLead and copper52
COMPLETEJULYDistributionColiform Bacteria21
COMPLETEJULY - SEPTEMBER1 RawColiform Bacteria11
COMPLETEJULY - SEPTEMBER3 RawColiform Bacteria11
COMPLETEAUGUSTDistributionColiform Bacteria21
COMPLETESEPTEMBERDistributionColiform Bacteria21
COMPLETEOCTOBERDistributionColiform Bacteria21
COMPLETEOCTOBER - DECEMBER3 RawAmmonia11
COMPLETEOCTOBER - DECEMBER1 RawColiform Bacteria11
COMPLETEOCTOBER - DECEMBER3 RawColiform Bacteria11
COMPLETEOCTOBER - DECEMBEREP 3Inorganics11
NOVEMBERDistributionColiform Bacteria21
DECEMBERDistributionColiform Bacteria21
Waivers:
Asbestos (Inorganic Report Form)1Waiver issued - No sampling required during calendar year 2026
Benzo(A)Pyrene (Synthetic Form)1Waiver issued - No sampling required during calendar year 2026
Benzo(A)Pyrene (Synthetic Form)3Waiver issued - No sampling required during calendar year 2026
Cyanide (Inorganic Report Form)1Waiver issued - No sampling required during calendar year 2026
Dioxin (Synthetic Report Form)1Waiver issued - No sampling required during calendar year 2026