Major Sewer Improvement Effort

Construction Photos

Construction Alerts

Section 1

TANQUE VERDE, PANTANO TO WOODLAND

Tanque Verde Road Restrictions
Sep 8, 2015

TANQUE VERDE, PANTANO TO WOODLAND

Tanque Verde Lane Reopening
Sep 4, 2015

TANQUE VERDE AND WOODLAND

Tanque Verde Lane Restrictions Rescheduled
Jul 30, 2015

TANQUE VERDE, PANTANO TO WOODLAND

Lane Closures on Tanque Verde
Jul 10, 2015

Section 4

TANQUE VERDE, PANTANO TO WOODLAND

Tanque Verde Lane Restrictions
Jul 22, 2015

CRAYCROFT BETWEEN RIVER & SWAN

Lane Changes on Craycroft
Jul 2, 2015

CRAYCROFT BETWEEN RIVER & GREGORY

NRI Traffic Alert
Apr 21, 2015

CRAYCROFT BETWEEN RIVER & GREGORY

Traffic Alert
Apr 13, 2015

Section 6

RIVER ROAD, PALO VERDE TO HACIENDA DEL SOL

Lane Restrictions on River Road
Mar 23, 2016

RIVER ROAD, PALO VERDE TO HACIENDA DEL SOL

River Road Traffic Restrictions
Feb 24, 2016

RIVER ROAD, ALVERNON WAY TO CAMINO KINO

River Road Lane Restrictions
Jan 8, 2016

RIVER ROAD AND SUTTON LANE

Updated River Road/Sutton Lane Intersection Restrictions
Dec 22, 2015

RIVER ROAD AND SUTTON LANE

River Road/Sutton Lane Intersection Restrictions
Dec 4, 2015

RIVER ROAD, LONGFELLOW AVENUE TO SUTTON ROAD

Continued River Road Lane Restrictions
Nov 20, 2015

RIVER ROAD, LONGFELLOW AVENUE TO SUTTON ROAD

River Road Lane Restrictions
Oct 20, 2015

Project Information

For project details, see the NRI Fact Sheet (PDF)
Phase 2 Open House Notice
Phase 2 Open House Maps
Phase 2 Resident Letter - December 2016

North Rillito Interceptor

Pima County Regional Wastewater Reclamation Department (RWRD) and their contractor, B&F Contracting, Inc. completed work on the North Rillito Interceptor Sewer Rehabilitation Project (NRI) in April of 2017.

The NRI is a large diameter pipeline, approximately 10 miles long, that transports wastewater from the City's far east side in the Woodland Road and Bear Canyon Road area, along the north bank of the Tanque Verde Creek and Rillito River, to the Ina Road Wastewater Treatment Facility -- which serves a major portion of northern and eastern Tucson. Although there were no immediate plans to increase the NRI's capacity due to limited density growth, the RWRD must comply with U.S. Environmental Protection Agency guidelines relating to wastewater system capacity, management, operations and maintenance, and minimizing the number of sewer overflows.

Rehabilitation of the NRI employed a Cured-In-Place (CIPP) Lining Process that was completed in six phases, (as seen in map above) but not in order*. 

*For more information about the CIPP Lining Process, please see CIPP Process/FAQS.

Click any of the maps on this page to download/view a PDF version in greater detail.

West of Campbell Avenue to East of Hacienda del Sol Road

Hacienda del Sol Road to East of Dodge Boulevard

Dodge Boulevard East Toward Swan Road

West of Swan Road to East of Camino Blanco Road

Camino Blanco Road to East of Craycroft Road

East of Craycroft Road to East of Bacobi Avenue

East of Bacobi Avenue to East of Lodge Road

East of Lodge Road to Woodland Road 

Woodland Road East

For project updates or to find out more information, fill out our form below.

Pima County