No
The next photo shows a corrugated discharge tube from a sump pump directed to a floor drain, which drains to the sanitary sewer. Finally, one more version of this that I've found at a handful of homes in Minneapolis is a very shallow sump pit with a floor drain at the bottom of it. The black corrugated tubing coming into the sides of the pit is drain tile, and the floor drain at the bottom drains to the sanitary sewer. Discharging a sump pump into the city's sanitary sewer system is a big 'no-no'. While this might seem like an easier and more attractive option than running a discharge tube from the sump pump to the exterior, it's illegal in most cities here in Minnesota when the home is connected to the city sewer. Sump pump systems are designed to capture surface or ground water that enters basements or crawl spaces and pump it away from the house. Cross connections (when sump pumps discharge into the sanitary sewer system) are against City ordinance and pose economic and environmental problems. Clear water, such as that from a sump pump, overloads the sanitary sewer system. During the rainy season (March through October), this clear water increases the flow through Golden Valley’s sanitary sewer system one to two times the usual amount, primarily because of cross connections. In all cases the codes strictly prohibit discharging a sump pump into a sanitary drain. One key indicator as to whether your floor drain is connected to a sanitary sewer or a storm sewer is the presence of a P=trap under the floor drain opening. On the other hand, in some jurisdictions they say that a basement floor drain is primarily intended to discharge storm runoff water that may enter the basement and the codes strictly prohibit discharging storm water into a sanitary drainage system therefore the floor drains must discharge into a sump pit. Often, this is a hose leading from the sump to a laundry tub or a floor drain. Water that goes down any drain in your house leads to the sanitary sewer system and eventually ends up at a wastewater treatment plant, where it is treated before being released back into the environment. Clear water, such as that from a sump pump, overloads the sanitary sewer system. During the rainy season (March through October), this clear water increases the flow through Golden Valley’s sanitary sewer system one to two times the usual amount, primarily because of cross connections. The sump pump is a mechanical device, which is located in the sump pit and is used to regulate the level of water within the sump. This device enables ground water to be discharged onto the surface or to the storm sewer system. Sump Pump Discharge The sump removes water from the drain tile (a perforated pipe adjacent to the foundation walls designed to collect ground water), which flows to the sump pit. Once the water in the sump pit reaches a certain level, the sump pump starts and pumps the groundwater through the discharge pipe. The sump pump discharge pipe is usually located at the side of the house. The sump pump discharge should spill onto a splash pad or through a flexible hose to a drainage way or storm sewer The other reason that sump pumps shouldn't discharge to the sanitary sewer is that municipal water departments bill homeowners for their sewer usage based on their water usage. When a sump pump discharges into the sanitary sewer, the city has no way of tracking and billing for this additional usage of the sewer. Discharging a sump pump into the city's sanitary sewer system is a big 'no-no'. While this might seem like an easier and more attractive option than running a discharge tube from the sump pump to the exterior, it's illegal in most cities here in Minnesota when the home is connected to the city sewer. Some weeping tiles are connected to a sump pit. When the sump pit fills with water and reaches a predetermined level, the sump pump turns on and discharges the groundwater either directly into the storm sewer system or onto the yard, away from the foundation. If you disconnect your weeping tile from the sanitary sewer system and connect it to a sump pit with a sump pump, you would be helping the sanitary sewer system by not adding all that extra rainwater. drain into the sanitary sewer system or the City of ___________. No rain spout, or other form of surface drainage and no. foundation drainage or sump pump shall be connected or discharged into any sanitary sewer. 2.  A proper sump pump connection. Sump pumps should drain into the City’s storm sewer system through one of two methods: 1  a direct connection (a pipe from the house to the main storm sewer line), if available. 2  directly onto the ground (preferably 20 feet from the house and not into a neighbor’s yard). Clear water, such as that from a sump pump, overloads the sanitary sewer system. During the rainy season (March through October), this clear water increases the flow through Golden Valley’s sanitary sewer system one to two times the usual amount, primarily because of cross connections.
http://www.startribune.com/why-sump-pumps-shouldn-t-discharge-to-the-city-sewer/217902981/ http://www.goldenvalleymn.gov/homeyard/utilities/sump-pumps.php http://ths.gardenweb.com/discussions/2514037/water-coming-out-of-floor-drain-in-basement http://www.goldenvalleymn.gov/homeyard/utilities/sump-pumps.php http://www.florence-ky.gov/sites/default/files/florence/public-services/Sump%20Pump%20Article1_0.pdf http://www.startribune.com/why-sump-pumps-shouldn-t-discharge-to-the-city-sewer/217902981/ http://www.london.ca/residents/Sewers-Flooding/Basement-Flooding-Prevention/Pages/Disconnect-and-discharge.aspx http://www.mrwa.com/PDF/samplesumppump.pdf http://www.goldenvalleymn.gov/homeyard/utilities/sump-pumps.php
is it allowed to drain sanitary sewer into sump pit