Note: For requirements and specifications for POWTS, refer to ch. SPS 383.
Note: The department of natural resources requires WPDES permits for point source discharges under ch. 283, Stats.
Note: Refer to s. SPS 382.34 for requirements for wastewater reuse.
Table 382.70-1
Plumbing Treatment Standards
Intended Use | Plumbing Treatment Standardsf |
1. Drinking, cooking, food processing, preparation and cleaning, pharmaceutical processing, and medical uses | NR 811 and 812 approved sources |
2. Personal hygiene, bathing, and showering | NR 811 and 812 approved sources |
3. Automatic fire protection systems | As acceptable by local authority |
4. Swimming pool makeup water | NR 811 and 812 approved sources |
5. Swimming pool fill water | DHS 172 requirements |
6. Cooling water b | pH 6 - 9 b < 50 mg/L BOD5 < 30 mg/L TSS Free chlorine residual 1.0 - 10.0 mg/Lb |
7. Subsurface infiltration and irrigation, using reuse as the source c | < 15 mg/L oil and grease < 30 mg/L BOD5 < 35 mg/L TSS < 200 fecal coliform cfu/100 mL d |
8. Subsurface irrigation, using stormwater as the source c | < 15 mg/L oil and grease <60 mg/L TSS |
9. Surface or spray irrigation using stormwater and clearwater as the source c | < 10 mg/L BOD5 < 5 mg/L TSS |
10. Surface irrigation except food crops, vehicle washing, clothes washing, air conditioning, soil compaction, dust control, washing aggregate, and making concrete a, c | pH 6 - 9 b < 10 mg/L BOD5 < 5 mg/L TSS Free chlorine residual 1.0 - 10.0 mg/Lb |
11. Toilet and urinal flushing | pH 6 - 9 b 200 mg/L BOD5 < 5 mg/L TSS Free chlorine residual .1 mg/ L - 4.0 mg/L b |
12. Uses not specifically listed above | Contact department for standards |
a Refer to the department of agriculture, trade and consumer protection for commercial use.
b Applies only to wastewater treatment devices for reuse systems. Other equivalent disinfection methods may be approved by the department.
c These requirements do not apply to the treatment of industrial waste- water or other wastewater discharges that are subject to a WPDES permit issued by the department of natural resources.
d A 12-inch minimum separation of medium sand or finer material above high groundwater or bedrock.
f For stormwater, the plumbing treatment standards are based on an annual average. Evaluation of research to prove compliance with this table is based on the geometric mean of the data acceptable to the department or an equivalent method
Action | Service Interval |
Inspect, clean, and replace filters | [LESS THSN EQUAL TO] months |
Inspect and verify treatment components and systems are operational and maintaining minimum treatment standards. | In accordance with the manufacturer's and department's instructions. |
Inspect and verify pump operation | At start-up and [LESS THSN EQUAL TO] 12 months thereafter |
Inspect and verify valve operation | At start-up and [LESS THSN EQUAL TO] 12 months thereafter |
Inspect and verify pressure tank operation | At start-up and [LESS THSN EQUAL TO] 12 months thereafter |
Clean storage tanks, inspect and verify locking devices | At start-up and [LESS THSN EQUAL TO] 12 months thereafter |
Inspect precautionary label-ing/marking | At start-up and [LESS THSN EQUAL TO] 12 months thereafter |
Inspect and verify integrity of mulch basins | As required to prevent ponding, runoff and maintain mulch depth |
Cross connection control inspection and test | At start-up and [LESS THSN EQUAL TO] 12 months thereafter |
Wis. Admin. Code Department of Safety and Professional Services § SPS 382.70