| 95th Street Watermain Project |
| Watermain infrastructure construction work is scheduled to take place on 95th Street between Ashbury Drive and Gateshead Drive beginning the week of August 2. |
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| ABC Pilot Project |
| Activity Based Costing (ABC) is an accounting methodology that seeks to identify and account for all costs associated with any given activity including each activity's impact on shared organizational resources. |
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| B-Box, aka Buffalo Box |
| B-boxes are usually located in the sidewalk or parkway grass in front of a house. |
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| Choosing a Plumber |
| The city cannot recommend plumbers, but we do provide helpful tips for hiring and working with plumbers. |
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| CIPP Rehabilitation Project - Naper Carriage Hill |
| Existing sewer in Naperville consists of concrete pipe that has developed root intrusions. Cured In Place Pipe (CIPP) is a rehabilitation method that seals out tree roots and groundwater infiltration, reduces maintenance requirements and adds 50 to 100 years to the useful life of the sewer main. |
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| Cloudy Tap Water |
| Commonly in the winter, people notice that drinking water appears cloudy. Milky water, also commonly described as cloudy, hazy, soapy, or foamy, is almost always caused by air in the water. |
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| Consumer Confidence Water Quality Report |
| The City of Naperville distributes a Consumer Confidence Water Quality Report as part of our continued effort to provide our water customers with educational information regarding Naperville’s drinking water supply. |
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| East Highlands Sewer Rehab |
| The City of Naperville Department of Public Utilities (DPU) is now in the eighth year of a comprehensive sewer rehabilitation program. This page is dedicated to information about this project in the East Highlands subdivision in central Naperville. |
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| Electricity, Water and Wastewater Service |
| Naperville's Department of Public Utilities provides electricity, water and wastewater service. This page includes information on connection procedures and rates. |
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| Flood Insurance Program |
| Naperville participates in the National Flood Insurance Program (NFIP). The NFIP makes federally backed flood insurance available for all buildings, whether they are in a floodplain or not. |
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| Freezing Water Lines |
| How to protect your water lines from freezing. |
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| JULIE |
| Before you plant trees or shrubs, erect a fence, or undertake any construction work, state law requires anyone digging to call JULIE (Joint Utility Locating Information for Excavators) for cable locations. |
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| Lawn Sprinkling |
| Lawn sprinkling is only permitted during the hours of 6-10 a.m. and 6–10 p.m. on alternating days. |
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| Lawn Sprinkling Frequently Asked Questions |
| Answers common questions about lawn sprinkling and the city's water conservation regulations. |
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| Sanitary Sewer Back-ups |
| Residents should notify the city, before calling a plumber, anytime they experience a sanitary sewer back up. |
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| Sanitary Sewer Rehabilitation Project |
| The Department of Public Utilities-Water will be rehabilitating sanitary sewer services along the DuPage River under the bike path. |
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| Stormwater |
| Drainage problems and standing water on private or public property should be reported to the City's Department of Public Works at (630) 420-6187. |
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| Utility Bill Payment |
| Naperville Utility Billing information including payment options, bank draft application, budget billing application and an introduction to Naperville E-bill. |
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| Utility Meters |
| The City reads electric and water meters on a monthly basis. Meter readers wear city identification badges. |
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| Water and Wastewater Rates |
| Starting with the July 2011 utility bills, Naperville utility customers will notice some changes to the rates for water and wastewater service. |
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| Water Distribution and Collection Division |
| The Water Distribution and Collection Division maintains 616 miles of water main, 7,813 valves, 8,450 fire hydrants, 28 sanitary sewer pump stations, 475 miles of sanitary sewer lines and 11,060 sanitary sewer manholes. |
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| Water Meter Leaks |
| It is a good idea to check your water meter for leaks at least once a month and probably more often if it is in a closet or closed-in area. |
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| Water Meter Replacement Program |
| Water meter replacement work is performed in various locations throughout the city. |
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| Water Reclamation Center |
| Naperville's Water Reclamation Center, Springbrook, located at 3712 Naperville/Plainfield Road, is a modern wastewater treatment facility. |
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| Water Supply |
| Naperville purchases Lake Michigan water from the DuPage Water Commission. |
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