Wisconsin Department of Natural Resources Drinking Water System Preliminary Routine Monitoring Requirements Period: 01/01/2027 to 12/31/2027 Subject to change -- based on information provided to DNR as of 11/01/2026 Attachment 1 11/01/2026 10:30:10 AM

If any of the following information has changed, please contact your DNR representative with any corrections:
STEVENSON, SOPHIA FITCHBURG, WI 53711
Phone: (608) 576-4934 Email: SOPHIA.STEVENSON@WISCONSIN.GOV

System Name: BEAVER DAM WATER UTILITY PWS ID#: 11400598 Population: 16,200

Sampler: WATER UTILITY SUPERVISOR JOE LEHNER Owner: CITY ADMINISTRATOR LARRY BIERKE

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

JANUARY Distribution Coliform Bacteria 15 1
JANUARY Distribution Fluoride - Operator/Lab Split 1 1
JANUARY - MARCH 1 Raw Coliform Bacteria 1 1
JANUARY - MARCH 2 Raw Coliform Bacteria 1 1
JANUARY - MARCH 3 Raw Coliform Bacteria 1 1
JANUARY - MARCH 4 Raw Coliform Bacteria 1 1
JANUARY - MARCH EP 200 Synthetic Organics 1 1
JANUARY - SEPTEMBER EP 200 Nitrate 1 1
JANUARY - SEPTEMBER EP 200 Volatile Organics 1 41
FEBRUARY Distribution Coliform Bacteria 15 1
FEBRUARY Distribution Fluoride - Operator/Lab Split 1 1
MARCH Distribution Coliform Bacteria 15 1
MARCH Distribution Fluoride - Operator/Lab Split 1 1
APRIL Distribution Coliform Bacteria 15 1
APRIL Distribution Fluoride - Operator/Lab Split 1 1
APRIL - JUNE 1 Raw Coliform Bacteria 1 1
APRIL - JUNE 2 Raw Coliform Bacteria 1 1
APRIL - JUNE 3 Raw Coliform Bacteria 1 1
APRIL - JUNE 4 Raw Coliform Bacteria 1 1
APRIL - JUNE EP 200 Synthetic Organics 1 1
MAY Distribution Coliform Bacteria 15 1
MAY Distribution Fluoride - Operator/Lab Split 1 1
JUNE Distribution Coliform Bacteria 15 1
JUNE Distribution Fluoride - Operator/Lab Split 1 1
JULY Distribution Coliform Bacteria 15 1
JULY Distribution Fluoride - Operator/Lab Split 1 1
JULY - SEPTEMBER 1 Raw Coliform Bacteria 1 1
JULY - SEPTEMBER 2 Raw Coliform Bacteria 1 1
JULY - SEPTEMBER 3 Raw Coliform Bacteria 1 1
JULY - SEPTEMBER 4 Raw Coliform Bacteria 1 1
JULY - SEPTEMBER EP 200 Synthetic Organics 1 1
AUGUST Distribution Coliform Bacteria 15 1
AUGUST Distribution Fluoride - Operator/Lab Split 1 1
SEPTEMBER Distribution Coliform Bacteria 15 1
SEPTEMBER Distribution Fluoride - Operator/Lab Split 1 1
OCTOBER Distribution Coliform Bacteria 15 1
OCTOBER Distribution Fluoride - Operator/Lab Split 1 1
OCTOBER - DECEMBER 1 Raw Coliform Bacteria 1 1
OCTOBER - DECEMBER 2 Raw Coliform Bacteria 1 1
OCTOBER - DECEMBER 3 Raw Coliform Bacteria 1 1
OCTOBER - DECEMBER 4 Raw Coliform Bacteria 1 1
OCTOBER - DECEMBER Distribution Disinfection Byproducts (TTHM, HAA5) 2 11
OCTOBER - DECEMBER EP 200 Synthetic Organics 1 1
NOVEMBER Distribution Coliform Bacteria 15 1
NOVEMBER Distribution Fluoride - Operator/Lab Split 1 1
DECEMBER Distribution Coliform Bacteria 15 1
DECEMBER Distribution Fluoride - Operator/Lab Split 1 1

Waivers:

Asbestos (Inorganic Report Form) 1 Waiver issued - No sampling required during calendar year 2027
Asbestos (Inorganic Report Form) 2 Waiver issued - No sampling required during calendar year 2027
Asbestos (Inorganic Report Form) 3 Waiver issued - No sampling required during calendar year 2027
Asbestos (Inorganic Report Form) 4 Waiver issued - No sampling required during calendar year 2027
Benzo(A)Pyrene (Synthetic Form) 1 Waiver issued - No sampling required during calendar year 2027
Benzo(A)Pyrene (Synthetic Form) 2 Waiver issued - No sampling required during calendar year 2027
Benzo(A)Pyrene (Synthetic Form) 3 Waiver issued - No sampling required during calendar year 2027
Benzo(A)Pyrene (Synthetic Form) 4 Waiver issued - No sampling required during calendar year 2027
Cyanide (Inorganic Report Form) 1 Waiver issued - No sampling required during calendar year 2027
Cyanide (Inorganic Report Form) 2 Waiver issued - No sampling required during calendar year 2027
Cyanide (Inorganic Report Form) 3 Waiver issued - No sampling required during calendar year 2027
Cyanide (Inorganic Report Form) 4 Waiver issued - No sampling required during calendar year 2027
Dioxin (Synthetic Report Form) 1 Waiver issued - No sampling required during calendar year 2027
Dioxin (Synthetic Report Form) 2 Waiver issued - No sampling required during calendar year 2027
Dioxin (Synthetic Report Form) 3 Waiver issued - No sampling required during calendar year 2027
Dioxin (Synthetic Report Form) 4 Waiver issued - No sampling required during calendar year 2027
EDB/DBCP (Synthetic Report Form) 1 Waiver issued - No sampling required during calendar year 2027
EDB/DBCP (Synthetic Report Form) 2 Waiver issued - No sampling required during calendar year 2027
EDB/DBCP (Synthetic Report Form) 3 Waiver issued - No sampling required during calendar year 2027
EDB/DBCP (Synthetic Report Form) 4 Waiver issued - No sampling required during calendar year 2027
Pesticides (Synthetic Report Form) 1 Waiver issued - No sampling required during calendar year 2027
Pesticides (Synthetic Report Form) 2 Waiver issued - No sampling required during calendar year 2027
Pesticides (Synthetic Report Form) 3 Waiver issued - No sampling required during calendar year 2027
Pesticides (Synthetic Report Form) 4 Waiver issued - No sampling required during calendar year 2027
Synthetic Organics - Pop < 10000 3 Waiver issued - No sampling required during calendar year 2027
Volatile Organic Sample 1 Waiver issued - No sampling required during calendar year 2027
Volatile Organic Sample 2 Waiver issued - No sampling required during calendar year 2027
Volatile Organic Sample 3 Waiver issued - No sampling required during calendar year 2027
Volatile Organic Sample 4 Waiver issued - No sampling required during calendar year 2027

Monitoring Period	Sample Source	Sample Group	# of samples	# of contams
JANUARY	Distribution	Coliform Bacteria	15	1
JANUARY	Distribution	Fluoride - Operator/Lab Split	1	1
JANUARY - MARCH	1 Raw	Coliform Bacteria	1	1
JANUARY - MARCH	2 Raw	Coliform Bacteria	1	1
JANUARY - MARCH	3 Raw	Coliform Bacteria	1	1
JANUARY - MARCH	4 Raw	Coliform Bacteria	1	1
JANUARY - MARCH	EP 200	Synthetic Organics	1	1
JANUARY - SEPTEMBER	EP 200	Nitrate	1	1
JANUARY - SEPTEMBER	EP 200	Volatile Organics	1	41
FEBRUARY	Distribution	Coliform Bacteria	15	1
FEBRUARY	Distribution	Fluoride - Operator/Lab Split	1	1
MARCH	Distribution	Coliform Bacteria	15	1
MARCH	Distribution	Fluoride - Operator/Lab Split	1	1
APRIL	Distribution	Coliform Bacteria	15	1
APRIL	Distribution	Fluoride - Operator/Lab Split	1	1
APRIL - JUNE	1 Raw	Coliform Bacteria	1	1
APRIL - JUNE	2 Raw	Coliform Bacteria	1	1
APRIL - JUNE	3 Raw	Coliform Bacteria	1	1
APRIL - JUNE	4 Raw	Coliform Bacteria	1	1
APRIL - JUNE	EP 200	Synthetic Organics	1	1
MAY	Distribution	Coliform Bacteria	15	1
MAY	Distribution	Fluoride - Operator/Lab Split	1	1
JUNE	Distribution	Coliform Bacteria	15	1
JUNE	Distribution	Fluoride - Operator/Lab Split	1	1
JULY	Distribution	Coliform Bacteria	15	1
JULY	Distribution	Fluoride - Operator/Lab Split	1	1
JULY - SEPTEMBER	1 Raw	Coliform Bacteria	1	1
JULY - SEPTEMBER	2 Raw	Coliform Bacteria	1	1
JULY - SEPTEMBER	3 Raw	Coliform Bacteria	1	1
JULY - SEPTEMBER	4 Raw	Coliform Bacteria	1	1
JULY - SEPTEMBER	EP 200	Synthetic Organics	1	1
AUGUST	Distribution	Coliform Bacteria	15	1
AUGUST	Distribution	Fluoride - Operator/Lab Split	1	1
SEPTEMBER	Distribution	Coliform Bacteria	15	1
SEPTEMBER	Distribution	Fluoride - Operator/Lab Split	1	1
OCTOBER	Distribution	Coliform Bacteria	15	1
OCTOBER	Distribution	Fluoride - Operator/Lab Split	1	1
OCTOBER - DECEMBER	1 Raw	Coliform Bacteria	1	1
OCTOBER - DECEMBER	2 Raw	Coliform Bacteria	1	1
OCTOBER - DECEMBER	3 Raw	Coliform Bacteria	1	1
OCTOBER - DECEMBER	4 Raw	Coliform Bacteria	1	1
OCTOBER - DECEMBER	Distribution	Disinfection Byproducts (TTHM, HAA5)	2	11
OCTOBER - DECEMBER	EP 200	Synthetic Organics	1	1
NOVEMBER	Distribution	Coliform Bacteria	15	1
NOVEMBER	Distribution	Fluoride - Operator/Lab Split	1	1
DECEMBER	Distribution	Coliform Bacteria	15	1
DECEMBER	Distribution	Fluoride - Operator/Lab Split	1	1

Asbestos (Inorganic Report Form)	1	Waiver issued - No sampling required during calendar year 2027
Asbestos (Inorganic Report Form)	2	Waiver issued - No sampling required during calendar year 2027
Asbestos (Inorganic Report Form)	3	Waiver issued - No sampling required during calendar year 2027
Asbestos (Inorganic Report Form)	4	Waiver issued - No sampling required during calendar year 2027
Benzo(A)Pyrene (Synthetic Form)	1	Waiver issued - No sampling required during calendar year 2027
Benzo(A)Pyrene (Synthetic Form)	2	Waiver issued - No sampling required during calendar year 2027
Benzo(A)Pyrene (Synthetic Form)	3	Waiver issued - No sampling required during calendar year 2027
Benzo(A)Pyrene (Synthetic Form)	4	Waiver issued - No sampling required during calendar year 2027
Cyanide (Inorganic Report Form)	1	Waiver issued - No sampling required during calendar year 2027
Cyanide (Inorganic Report Form)	2	Waiver issued - No sampling required during calendar year 2027
Cyanide (Inorganic Report Form)	3	Waiver issued - No sampling required during calendar year 2027
Cyanide (Inorganic Report Form)	4	Waiver issued - No sampling required during calendar year 2027
Dioxin (Synthetic Report Form)	1	Waiver issued - No sampling required during calendar year 2027
Dioxin (Synthetic Report Form)	2	Waiver issued - No sampling required during calendar year 2027
Dioxin (Synthetic Report Form)	3	Waiver issued - No sampling required during calendar year 2027
Dioxin (Synthetic Report Form)	4	Waiver issued - No sampling required during calendar year 2027
EDB/DBCP (Synthetic Report Form)	1	Waiver issued - No sampling required during calendar year 2027
EDB/DBCP (Synthetic Report Form)	2	Waiver issued - No sampling required during calendar year 2027
EDB/DBCP (Synthetic Report Form)	3	Waiver issued - No sampling required during calendar year 2027
EDB/DBCP (Synthetic Report Form)	4	Waiver issued - No sampling required during calendar year 2027
Pesticides (Synthetic Report Form)	1	Waiver issued - No sampling required during calendar year 2027
Pesticides (Synthetic Report Form)	2	Waiver issued - No sampling required during calendar year 2027
Pesticides (Synthetic Report Form)	3	Waiver issued - No sampling required during calendar year 2027
Pesticides (Synthetic Report Form)	4	Waiver issued - No sampling required during calendar year 2027
Synthetic Organics - Pop < 10000	3	Waiver issued - No sampling required during calendar year 2027
Volatile Organic Sample	1	Waiver issued - No sampling required during calendar year 2027
Volatile Organic Sample	2	Waiver issued - No sampling required during calendar year 2027
Volatile Organic Sample	3	Waiver issued - No sampling required during calendar year 2027
Volatile Organic Sample	4	Waiver issued - No sampling required during calendar year 2027