Wisconsin Administrative Code
Department of Natural Resources
NR 800 - Environmental Protection - Water Supply
Chapter NR 810 - Requirements for the operation and maintenance of public water systems
Subchapter I - General Operations
Section NR 810.07 - Operational reporting

Universal Citation: WI Admin Code ยง NR 810.07

Current through August 26, 2024

(1) Water suppliers for the following public water systems shall submit monthly reports in a form or format as required by the department to the appropriate regional office of the department:

(a) All municipal water systems.

(b) Other-than-municipal water systems which have chemical or physical treatment.

(c) Any public water system with a pumping capacity of 70 gpm or more.

(d) Any other public water system as required by the department.

(2) Reports shall include all the following data, if applicable:

(a) Daily quantities of water pumped.

(b) Daily quantities of chemicals added to the water.

(c) Daily operation of treatment processes.

(d) Results of chemical, physical, or other tests performed for plant control.

(e) Calculated theoretical daily residuals and residual test results.

(f) Groundwater depth measurements, static and pumping, at least weekly where applicable.

(g) Totals and averages of the above where spaces are provided on the report form.

(h) Other data determined necessary by the department.

(3) For other-than-municipal and non-community water systems, the frequency of pumpage and chemical treatment data collection may be reduced by approval of the department in writing, but for those water systems with chemical treatment, in no case shall it be less than twice per week. Reduced frequency shall only be considered in cases where treatment is not required to meet primary drinking water standards for coliform bacteria, fecal coliform, Cryptosporidium, Giardia lamblia, viruses, nitrate, nitrite, chlorate, or chlorite.

(4) Computer generated forms developed by the water supplier are acceptable if, at a minimum, all the required data are submitted on the form, and if the form of the report receives the approval of the department prior to use. Electronic submittal of the reporting forms shall be allowed if done in a form and format approved by the department.

(5) Monthly reports for municipal water systems shall be signed by the operator-in-charge or an operator certified in the applicable treatment process employed by the water supplier. At other-than-municipal and non-transient non-community water systems, reports shall be signed by the small system certified operator.

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