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Contact UsThe Jordan Lake Water Supply Program will provide growing communities of the City of Durham and the Western Intake Partners with a reliable source of clean drinking water. The City of Durham will lead the effort to construct the facilities and components. The main components that will be constructed as part of the Jordan Lake Water Supply Program includes:
Jordan Lake is a manmade reservoir that was originally conceived by the Army Corps of Engineers as a flood control project following devastating floods in the 1940s. Construction occurred between 1973 and 1983, as the Army Corp of Engineers dammed Haw River and New Hope Creek to create what we now know as Jordan Lake.
Planners identified that Jordan Lake could also serve as a future water supply source for the growing Triangle region. Currently, the Town of Cary and the Town of Apex have a shared water intake on Jordan Lake. This shared water intake has supplied water from Jordan Lake to the residents of northeast Chatham County for years.
In 1989, Orange Water and Sewer Authority (OWASA) purchased a property near Jordan Lake with the intention of building a new water supply facility on this site at some point in the future to meet the increased drinking water demands of the Triangle region.
Who can withdraw water and how much water they can withdraw from Jordan Lake is controlled by North Carolina’s Environmental Management Commission.
The Environmental Management Commission controls which utilities receive water supply allocations from Jordan Lake (meaning they can withdraw raw water to treat and use for drinking water) based on each utility’s’ forecasted future water needs. Each of the members of the Western Intake Partnership have received individual water supply allocations from the Environmental Management Commission for Jordan Lake. By using a regional management approach, the Western Intake Partners will work together to provide reliable, high quality drinking water to the Triangle region for generations to come in a manner that will be more sustainable and environmentally friendly than if each Partner individually managed drinking water needs for just their service area.
To learn more about this regional approach to meeting the future drinking water needs of the Triangle region, click on the Jordan Lake Water Supply Program link at the bottom of this web page.
The vision for the Jordan Lake Water Supply Program was established before Jordan Lake was even developed. Jordan Lake is a vital regional water resource that was developed by the U.S. Army Corps of Engineers to serve a variety of purposes, including supplying water for surrounding communities, mitigating flooding risks, providing habitats for fish and wildlife, and creating new recreational opportunities for communities in the Triangle region.
In 1989, Orange Water and Sewer Authority (OWASA) purchased a property near Jordan Lake for the purposes of installing a water intake and water treatment facility to treat and process the raw water withdrawals from Jordan Lake.
Shortly after the property was purchased, a study investigated possible sites for a new water intake on the western side of Jordan Lake and evaluated the feasibility of a raw water intake facility on the western side of Jordan Lake.
In 2014, the WIP partners completed a feasibility study to evaluate the technical and financial feasibility of a regional approach to access their Jordan Lake water supply allocations. Concrete actions to implement this Jordan Lake Water Supply Program began in 2018, with a memorandum of understanding between Chatham County, Durham, OWASA and Pittsboro. The agreement envisioned the facilities would be constructed by Durham, with capacity cost shares for the other partners.
In 2026, OWASA gave approval to the City of Durham to purchase this property to construct the Raw Water Pump Station at this location. An interlocal agreement being finalized in 2026 affirms the framework for the intake and raw water facilities to be constructed for the mutual benefit of Durham, TriRiver Water and OWASA. Other Jordan Lake allocation holders may also acquire allocations in the facilities in the future.
Once the Jordan Lake Water Supply Program is implemented, the facilities will be able to provide up to:
The water supply was anticipated in the design of the reservoir and the North Carolina Department of Environmental Quality, Division of Water Resources’ water supply allocation process for Jordan Lake. The Western Intake Partnership aims to withdraw, transport, and treat water from Jordan Lake and deliver high quality drinking water to customers. The water withdrawn for the Partners’ use will be treated and returned to the Cape Fear River basin after use.
Quality and sustainability are core values that define our work as the Western Intake Partnership. We are committed to being a good steward of the environment and of our communities. The program is being delivered in accordance with the Partners’ goal to be certified through the Envision Sustainable Infrastructure Framework.
The Western Intake Partners performed an environmental review to identify and assess any potential environmental impacts of the Program. In compliance with both the National Environmental Policy Act (NEPA) and North Carolina’s State Environmental Policy Act (SEPA), findings from the review were documented in an Environmental Assessment which was submitted for regulatory approval as part of the Program's application to U.S. Army Corps of Engineers and state approvals of the Program and 401/404 permitting.
The Jordan Lake Water Supply Program involves constructing a new Water Treatment Plant that will treat raw water withdrawn from Jordan Lake. This new Water Treatment Plant will treat and process raw water and test the treated water to ensure it meets all required drinking water quality standards, before the treated water is discharged from the plant and transported through the new Finished Water Transmission Pipeline to customers’ homes. The new Finished Water Transmission Pipeline that will be constructed as a part of the Jordan Lake Water Supply Program will also meet federal, state, and local requirements to ensure water quality and safety.
The City of Durham is committed to ensure that they are providing customers with the highest quality drinking water and are committed to staying up to date about compounds of emerging concern, such as per- and polyfluoroalkyl substances (PFAS) and 1,4-dioxane and the best treatment methods for removing these compounds.
Regulatory standards for these compounds were finalized in 2024 and updated in 2025 and 2026. These compounds are occasionally detected in Jordan Lake at extremely low concentrations in the parts per trillion (ppt) – one part per trillion is equivalent to one grain of sugar in an Olympic-sized swimming pool. The Jordan Lake Water Supply Program is planning to incorporate advanced treatment technologies to its facilities to ensure that these compounds of emerging concern are being removed from all treated water that we will be providing to our customers.
The Western Intake Partners collaborated on an Interlocal Agreement for the raw water intake and pump station that defines how the Partners will use allocated capacity at these facilities in the future. While the financing of individual Partners' participation in the various components of the Jordan Lake Water Supply Program may vary, the financing of project costs would typically be through utility reserves, bonds, commercial debt, or a combination of these funding sources. Bonds or debt would be repaid from utility rates and fee revenues in the normal manner of utility enterprise funds. Property taxes would not be used to fund this Program.
The City of Durham is to provide funding to plan, construct, and operate the new facilities and components of the Jordan Lake Water Supply Program, that include the Raw Water Intake Structure, Pump Station, Water Treatment Plant, and the Raw Water and Finished Water Transmission Pipelines. Initially these facilities will serve Durham customers. In the future, expansions to the Raw Water Pump Station may be constructed by the Western Intake Partners to convey raw water to other water treatment plants.
There is no formal link between Western Intake Partnership's Jordan Lake Water Supply Program and Jordan Lake One Water Coalition (JLOW). Since the beginning, the Western Intake Partners have been active participants in the regional collaboration efforts, which has included state, local government, non-governmental organizations, agriculture, and development stakeholders that the Jordan Lake One Water Coalition has facilitated. The Jordan Lake One Water Coalition seeks to produce integrated watershed management recommendations for Jordan Lake, which would be implemented within the state's regulatory framework and directly by stakeholders.
Planning for wastewater service for residents in eastern Chatham County is outside the of the project objectives of the Western Intake Partner’s Jordan Lake Water Supply Program. No wastewater service is being planned in conjunction with the Western Intake Partner’s Jordan Lake Water Supply Program. TriRiver Water is not a wastewater service provider in eastern Chatham County. Towns and developers there are responsible for installing operating wastewater treatment facilities and/or septic field systems for residents.
When Jordan Lake was designed and constructed by the U.S. Army Corp of Engineers, it was designed for the lake to hold approximately 45,800 acre-feet of water with lake levels being at an elevation of between 202 ft – 216 ft above mean sea level. At the State of North Carolina's request, this storage was designed to reliably supply 100 million gallons of water per day to support the Triangle region's communities. The conservation pool includes both water supply and low-flow augmentation.
As part of the state's evaluation process for Jordan Lake water supply allocations to the Western Intake Partners and others that occurred in 2015 and 2016, the State of North Carolina developed a computer model for the Cape Fear River and Neuse River basins to analyze the impacts of the proposed water supply allocations from Jordan Lake. In the Round 4 Jordan Lake Water Supply Allocation Recommendations Report, the North Carolina Environmental Management Commission concluded fully that allocating the Jordan Lake water supply storage pool would not significantly affect water levels in the lake or downstream in the Cape Fear River. Specifically, lake levels in the most significant periods of drought may be 1-2 ft lower in a future year when water withdrawals reach the full allocated amounts.
The Triangle region experiences occasional periods of drought and heavy rainfall. The most recent droughts of record occurred in 2001-02 and 2007-08. Lake levels will continue to vary in the future as they do today. The U.S. Army Corps of Engineers manages Jordan Lake to minimize the impact of these variations, and utilities have water shortage response plans to conserve water during periods of drought. The state's 2016 Cape Fear River Surface Water Supply Evaluation acknowledges these natural variations will continue to occur, but it concludes that even with increased use of Jordan Lake water supply, the lake's storage is resilient enough to meet its water supply demands while also serving its recreational and habitat purposes, even if more extreme drought conditions were to occur.
The Program’s preliminary engineering reports established the proposed intake elevation located at the deepest part of the lake. The report also took drought conditions and water quality into consideration in determining the depth.
The State of North Carolina controls and monitors water supply allocations from Jordan Lake. North Carolina General Statute 143-354(a)(11) authorizes the State's Environmental Management Commission to allocate Jordan Lake water supply storage to local governments based on need and the commitment to pay a share of associated capital, interest, administrative and operating costs, in proportion to their water supply storage allocations.
The most recent round of Jordan Lake water supply allocations (Round 4) was completed in 2017. At the conclusion Round 4, the State's Environmental Management Commission had allocated more than 91 percent of Jordan Lake’s available water supply storage pool with only 9 percent of the water supply storage still available that could be allocated in the future.
Each of the Western Intake Partners has their own defined water service areas and wastewater service areas. The idea of making water service available to residents near the future Durham Water Treatment Plant or along/near the future Finished Water Transmission Pipeline are not being investigated by the City of Durham but may be revisited at a future date.
Currently, the TriRiver Water service area does not include the Jordan Lake Water Supply Program’s water supply facilities, and TriRiver Water does not plan to extend its water service to include the areas surrounding the treatment plant, or along the transmission pipeline route. Residents within these service areas who are currently on well connections for their water needs, may reach out to TriRiver Water for information.
The Jordan Lake Water Supply Program will include two primary Design-Build construction contracts to perform the following projects:
The City of Durham is responsible for contracting, planning, designing, constructing, and operating the new facilities through these projects.
At this preliminary stage of project planning and design, it is estimated that construction for the two construction component projects will take about 4 to 5 years to complete. The exact timing of when each construction component project will start has not yet been determined, but it is common practice that the start and end of construction work for each construction component project will be staggered. This means that while each construction component project is expected to be completed within 3-4 years, the total duration of construction to complete the entire Jordan Lake Water Supply Program is expected to be a little longer.
The construction of the long pipelines that will make up the Raw and Finished Water Transmission Pipeline will occur in short durations at various locations and will not require ongoing active construction work along the entire 16-mile pipeline route for the entire duration of the scheduled construction period for that construction project component.
The Western Intake Partnership facilities, which include the Intake and Raw Water Facilities and the Raw and Finished Water Transmission Pipeline, will be operated by the City of Durham on behalf of the Western Intake Partners. The entities that make up that Western Intake Partnership – the City of Durham, OWASA and TriRiver Water – are all non-profit municipal utilities or utility authorities.
Two Progressive Design-Build (PDB) Contractors were selected for the following project components that encompass the Jordan Lake Water Supply Program, they are:
The Cary/Apex Intake is in operation and provides water to the Cary/Apex Water Treatment Facility treatment and distribution. The planned Western Intake Partnership intake is different from the Cary/Apex Intake; the Cary/Apex Intake is submerged, with a pump station located near the eastern shoreline of Jordan Lake. The WIP Intake will convey water via a deep tunnel to a raw water pump station on its property on North Pea Ridge Road. The WIP intake and raw water facilities are expected to create less environmental impacts and will be less complicated to operate.
The Vista Point boat launch, campground, and beach site is expected to be temporarily closed for 2-3 years during construction of the Raw Water Intake, when the facility’s boat ramp will be used to access the in-lake construction work.
Once in-lake construction is completed, the Vista Point unit of the Jordan Lake State Recreation Area will reopen to visitors. It will not be used to support operation of the WIP facilities.
The City of Durham, NC State Parks, NC Wildlife Resources Commission (NCWRC), and U.S. Army Corps of Engineers (USACE) have worked together collaboratively over the past five years to develop mutually-agreeable measures to compensate these agencies for the use of Vista Point and Jordan Lake during construction. These measures include repairs to areas of the park used by the construction company, financial compensation and improvements to the restroom facility and campgrounds, and financial support for increased use of other NC State Parks and NCWRC facilities on Jordan Lake during the time Vista Point is closed. The Contractors are also expected to restore the boat ramp to original conditions post construction.