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 10/25/2026 Attachment 1 10/25/2026 05:54:46 AM

If any of the following information has changed, please contact your DNR representative with any corrections:
TOYINGTRAKOON, PETWARA PLYMOUTH, WI 53073
Phone: (920) 400-0539 Email: PETWARA.TOYINGTRAKOON@WISCONSIN.GOV

System Name: SHEBOYGAN TN WATERWORKS PWS ID#: 46004035 Population: 4,596

Sampler: DEPUTY DIRECTOR OF UTILITIES DAMIAN J NEVERS Owner: DEPUTY DIRECTOR OF UTILITIES DAMIAN J NEVERS

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 Bacteria51
COMPLETEJANUARY - MARCH1 RawColiform Bacteria11
COMPLETEJANUARY - MARCH2 RawColiform Bacteria11
COMPLETEJANUARY - MARCH3 RawColiform Bacteria11
COMPLETEJANUARY - SEPTEMBEREP 1Inorganics126
COMPLETEJANUARY - SEPTEMBEREP 2Inorganics126
COMPLETEJANUARY - SEPTEMBEREP 3Inorganics126
COMPLETEJANUARY - SEPTEMBEREP 1Radioactivity - Grab14
COMPLETEJANUARY - SEPTEMBEREP 2Radioactivity - Grab14
COMPLETEJANUARY - SEPTEMBEREP 3Radioactivity - Grab14
COMPLETEJANUARY - SEPTEMBEREP 1Volatile Organics121
COMPLETEJANUARY - SEPTEMBEREP 2Volatile Organics121
COMPLETEJANUARY - SEPTEMBEREP 3Volatile Organics121
COMPLETEFEBRUARYDistributionColiform Bacteria51
COMPLETEMARCHDistributionColiform Bacteria51
COMPLETEAPRILDistributionColiform Bacteria51
COMPLETEAPRIL - JUNE1 RawColiform Bacteria11
COMPLETEAPRIL - JUNE2 RawColiform Bacteria11
COMPLETEAPRIL - JUNE3 RawColiform Bacteria11
COMPLETEMAYDistributionColiform Bacteria51
COMPLETEJUNEDistributionColiform Bacteria51
COMPLETEJUNEEP 3Per/Poly-Fluoroalkyls (PFAS)16
COMPLETEJUNE - SEPTEMBERDistributionLead and copper202
COMPLETEJULYDistributionColiform Bacteria51
COMPLETEJULYEP 1Per/Poly-Fluoroalkyls (PFAS)16
COMPLETEJULY - SEPTEMBER1 RawColiform Bacteria11
COMPLETEJULY - SEPTEMBER2 RawColiform Bacteria11
COMPLETEJULY - SEPTEMBER3 RawColiform Bacteria11
COMPLETEJULY - SEPTEMBERDistributionDisinfection Byproducts (TTHM, HAA5)111
COMPLETEAUGUSTDistributionColiform Bacteria51
COMPLETESEPTEMBERDistributionColiform Bacteria51
COMPLETEOCTOBERDistributionColiform Bacteria51
OCTOBER - DECEMBER1 RawAmmonia11
OCTOBER - DECEMBER2 RawAmmonia11
OCTOBER - DECEMBER3 RawAmmonia11
COMPLETEOCTOBER - DECEMBER1 RawColiform Bacteria11
COMPLETEOCTOBER - DECEMBER2 RawColiform Bacteria11
COMPLETEOCTOBER - DECEMBER3 RawColiform Bacteria11
NOVEMBERDistributionColiform Bacteria51
DECEMBERDistributionColiform Bacteria51
Waivers:
Asbestos (Inorganic Report Form)1Waiver issued - No sampling required during calendar year 2026
Asbestos (Inorganic Report Form)2Waiver issued - No sampling required during calendar year 2026
Asbestos (Inorganic Report Form)3Waiver 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)2Waiver 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
Cyanide (Inorganic Report Form)2Waiver issued - No sampling required during calendar year 2026
Cyanide (Inorganic Report Form)3Waiver issued - No sampling required during calendar year 2026
Dioxin (Synthetic Report Form)1Waiver issued - No sampling required during calendar year 2026
Dioxin (Synthetic Report Form)2Waiver issued - No sampling required during calendar year 2026
Dioxin (Synthetic Report Form)3Waiver issued - No sampling required during calendar year 2026
EDB/DBCP (Synthetic Report Form)1Waiver issued - No sampling required during calendar year 2026
EDB/DBCP (Synthetic Report Form)2Waiver issued - No sampling required during calendar year 2026
EDB/DBCP (Synthetic Report Form)3Waiver issued - No sampling required during calendar year 2026
Industrial Chemicals (Synthetic Form)1Waiver issued - No sampling required during calendar year 2026
Industrial Chemicals (Synthetic Form)2Waiver issued - No sampling required during calendar year 2026
Industrial Chemicals (Synthetic Form)3Waiver issued - No sampling required during calendar year 2026
Synthetic Organics - Pop < 100001Waiver issued - No sampling required during calendar year 2026
Synthetic Organics - Pop < 100002Waiver issued - No sampling required during calendar year 2026
Synthetic Organics - Pop < 100003Waiver issued - No sampling required during calendar year 2026