Alongside the Rahway, the Elizabeth River, Piles Creek, Passaic River, Morses Creek (New Jersey), the Fresh Kills river (in Staten Island) and Hackensack River are also tributaries of the Arthur Kill.
Part of the extended area of New York-New Jersey Harbor Estuary, draining part of the suburban and urbanized area of New Jersey west of Staten Island, New York, the river is approximately 24 miles (39 km) long.  The upper reaches are lined with several parks while the mouth serves as an industrial access channel on the Chemical Coast.
The salt marshes and mudflats along the lower Rahway are high priority habitats and are the most extensive in the watershed and span four communities: Carteret, Linden, Woodbridge Township and Rahway. Encompassing over 1,000 acres (400 ha), this priority habitat contains 434 acres of salt marsh and 238 acres of brush and shrub lands. Over 1,500 gulls, many species of shorebirds, breeding clapper rail, egrets, ducks, plovers, hawks, pheasants, wintering northern harrier and marsh wrens utilize the site.
The river is also the source of the name for the Rahway Valley Railroad which has a bridge over it on the Springfield/Union border.
- 1 Art on the Rahway
- 2 Route
- 3 Rahway River Parkway
- 4 Parks along the river
- 5 Recreation along the river
- 6 Historic uses of the Rahway River
- 7 Flooding, environmental rehab and flood control
- 8 Rahway River cleanups
- 9 Contamination and flooding
- 10 See also
- 11 References
- 12 External links
Several landscape artists of the 19th century also painted the Rahway River's woodland scenes en plein air, including Frank Townsend Lent and Bruce Crane, who painted in Cranford, and the aforementioned Hugh Bolton Jones. 
The Rahway River rises in Essex County as two separate branches.
- The West Branch begins at spring-fed Crystal Lake in West Orange and flows south through the South Mountain Reservation in the valley between first and second ridges of the Watchung Mountains. It runs directly through downtown Millburn.
- The East Branch rises as a surface stream in West Orange and forms part of the boundary between West Orange and Orange, then travels through the towns of South Orange and Maplewood.
The two branches meet at Hobart Gap near Interstate 78, continuing south through the Union County communities of Springfield, Union, Cranford and Clark. In Rahway the river receives the Robinson's Branch and South Branch, which are approximately 10 miles (16 km) long. The South Branch starts in Roosevelt Park in Edison behind the Menlo Park Mall, and flows through Edison, Iselin, and Rahway. The river's mouth is at the Arthur Kill between Carteret (on the south) and Linden (on the north) and opposite Port Mobil on Staten Island.
Nomahegan Brook travels through Cranford, Kenilworth, Westfield, and Mountainside.
Orchard Brook travels through Garwood and enters Cranford by West Holly where it joins the Rahway.
Marshes Creek joins the Rahway near its entry into the Arthur Kill
The Rahway River Parkway is a greenway of parkland that hugs the Rahway River and its tributaries.  Formed by the Union County Parks Commission in the 1920s, was designed by the Olmsted Brothers firm, who were the sons of the landscape architect Frederick Law Olmsted. 
The "Friends of Rahway River Parkway," a nonprofit group, has been formed exclusively to encourage and advocate for the preservation, restoration and enhancement of the Rahway River Parkway, in accord with the Olmsted design principles inherent in its origins, and to promote appropriate public enjoyment of the Parkway. 
A map to the Rahway River parks is available. 
- Essex County
- Maplewood and Millburn. South Mountain Reservation. Orange Reservoir and Campbell's Pond are located on the Rahway in the reservation. A dramatic feature is Hemlock Falls: a 25-foot-high cascade of Rahway water over rock cliffs.
Orange Reservoir is a reservoir located in the reservation's northern tract. Within the borders of West Orange, it is owned by the City of Orange and operated and maintained under contract with United Water. It was originally developed during the intense urbanization of northeastern New Jersey in the late 19th century, drawing from the Rahway River.  The man-made lake is no longer part of the water-supply system and since the late 2000s (decade) various proposals have been made to allow its use as a recreational resource as part of the Recreational Complex. The complex abutting the reservoir includes a miniature golf course,  and a boathouse-restaurant, McLoone's, opened in 2011. 
Union County, New Jersey
- Springfield, New Jersey. Briant Park.
- Westfield/Mountainside. Echo Lake Park is situated on a lake formed on Nomahegan Brook, a tributary of the Rahway.
- Cranford, New Jersey. The Cranford section of the Rahway River Parkway follows the banks of the meandering Rahway River as it flows south through Lenape Park, Nomahegan Park, Hampton Park, MacConnell Park, the Cranford Canoe Club, Hanson Park, Sperry Park, Josiah Crane Park, Droeschers Mill Park, and Mohawk Park.  The land for Sperry Park was donated by William Miller Sperry.
- Clark/Winfield. Formerly Osceola Farm, owned by Thomas Sperry.
- Rahway, New Jersey. Rahway River Park abuts a graveyard along the river here. Milton Lake Park is popular for fishing.
- Linden, New Jersey. Hawk Rise Sanctuary. Hawk Rise Sanctuary is a 95-acre ecological preserve and wetland complex in Linden bordering the Rahway River, which was carved out of a former landfill through the combined efforts of the New Jersey Department of Environmental Protection, the city of Linden and the New Jersey Audubon Society.  The boardwalk trail system winds through the Hawk Rise forest, continues along the edge of the former Linden Landfill, and leads to an overlook viewing of the Rahway River and adjacent marshes. It has been open to the public since 2012, bringing scenic walking trails and bird-watching opportunities to a natural area once hidden behind a variety of industrial land uses. The site contains a surprising diversity of habitats for its relatively small size and urban location. These include forested wetlands, vernal pools, grasslands, shrublands, salt marsh, mudflats, a large pond, and the tidal Rahway River. 163 bird species have been spotted there. 
- Middlesex County
- Carteret. Joseph Medwick Memorial Park. Named for baseball player Joe Medwick, this park offers scenic river vistas plus ball fields, tennis courts, playgrounds & picnic groves.
The Cranford Canoe Club, built in 1908, rents canoes and kayaks for trips on the Rahway River in Cranford.
The Rahway Yacht Club, founded in 1904, is a private boating club docked on the river in Rahway, New Jersey. 
Fishermen who enjoy Rahway River fishing are encouraged to take home all fishing line to avoid injuring osprey and other large wildlife via entanglement which has caused deaths along the river.
On the third Monday of each month the Rahway River Trout Unlimited Chapter holds its monthly general meeting at the Cranford Community Center at 7:30pm to discuss Rahway River fishing.  Fly fishermen may be seen casting lines in the Rahway along the dams in Cranford. 
Brown trout, brook trout and rainbow trout 9 to 11 inches long are stocked for Rahway River fishing from late March to mid-May (only rainbow has been stocked since 2015). Along with these good-sized trout, much bigger breeders are also stocked to excite those anglers skilled or lucky enough to catch one (5-pound trophies are caught by these fishermen each spring).
The Rahway River is home to four anadromous fish species (fish that spawn in freshwater and live in saltwater) and one species of catadromous fish species (fish that spawn in salt water and live in freshwater).
There are long-discussed plans to install a fish ladder at the Rahway City Water Works to aid these fish during their spawning migrations. Fish ladders are inundated structures with small underwater steps that allow fish to navigate around a dam and continue their migration. Other approaches include removing obstructions that are inoperative or no longer serve their purpose, or improving water quality and reducing debris that obstructs passage.
The fish targeted for upstream passage at the Rahway River Water Supply Dam are alewife (Alosa pseudoharengus), blueback herring (Alosa aestivalis), gizzard shad (Dorosoma cepedianum), white perch (Morone Americana) and the endangered American eel (Anguilla rostrate).  Alewife and blueback herring are collectively referred to as river herring due to their similarity in appearance, range, and life histories. River herring, gizzard shad, and white perch are all anadromous (adults spawn in freshwater; juveniles migrate to saltwater); whereas American eel are catadromous (adults spawn in the ocean; the young migrate to freshwater habitats). 
Historically, anadromous spawning runs of alewife, blueback herring, striped bass, and American shad and catadromous runs of American eel were common in the NYC/NJ harbor estuary. However, poor stream conditions and an increased number of obstacles to upstream migration, like tide gates, culverts, and dams, have reduced these species’ migration opportunities. Restoring fish passage on major tributaries like the Rahway can be accomplished through the construction of fish ladders.
Birdwatching is a frequent activity along the Rahway. The Friends of Lenape Park often birdwatch along the banks of its streams such as Nomahegan Brook.
Cranford's The Riverside Inn and the River and Rail Cantina sit aside the river with outdoor seating near parkland. McLoone's Boathouse is located on Orange Reservoir in South Mountain Reservation. The famous Paper Mill Playhouse sits aside the river.
The Hanson Park Conservancy hosts an annual "rubber ducky race" in the river, over the Hansel Dam falls next to Sperry Park, as a fundraiser for the park. 
The Great Pumpkin Sail is held in Echo Lake on All Saints' Day. At this annual event, on the day after Halloween, families bring their Halloween Jack-O-Lanterns, light them, and set them afloat on Echo Lake Park's lower lake. The glowing firelit faces reflect in the water as families enjoy free hot chocolate, marshmallows, and entertainment around the campfire.
Beginning in the 1880s, the Cranford River Improvement Association and other Cranford organizations held various water carnivals and regattas on the river.  According to an 1886 New York Times article, the carnival's decorations illuminated the night: "nearly a hundred boats will be gaily decorated with sky lanterns, the river banks will be illuminated with colored lights, the bridges will be lit up, there will be bands of music and a display of fireworks."  Novelist Robert Ferro described these carnivals in his 1983 novel The Family of Max Desir, centered on a fictionalized version of the river.
The Paper Mill Playhouse is an acclaimed theater in the area for live theatrical performances. In March 1795, Sam Campbell built The Thistle Paper Mill  on land along the Rahway River in the town of Millville, later renamed Millburn. Campbell ran his business for about 20 years until he was forced to close down due to a fire. The building remained vacant for several years and ownership changed several times. In the late 1870s, Diamond Mill Paper Company took over the property and used it for their paper making business until 1928. 
The Rahway River was also the site of freshwater pearl-fishing as a form of recreation as depicted in photographs from the early 1910s. 
The highly urbanized Rahway River watershed in New Jersey suffers from frequent flooding due to extensive development and destruction of riparian wetlands and floodplains.
Floods have caused damage to houses, businesses, municipal facilities and public infrastructure. Portions of the Rahway River Basin have also suffered environmental degradation and opportunities exist for restoration.
The most damaging floods of record within the Rahway River Basin resulted from the storms of July 1938, May 1968, August 1971, August 1973, July 1975, June 1992, October 1996, July 1997, Tropical Storm Floyd in September 1999, April 2007 Nor’easter, and Hurricane Irene in August 2011. During the April 2007 storm, 70 to 100 homes suffered major damage to first floor and foundations. Union County and the Township of Cranford were declared federal disaster areas as a result of the April 2007 storm. As a result of Hurricane Irene, residents and business owners along the Rahway River have suffered extensive financial losses and personal hardship than in most severe prior storms. 
Organizations fighting for flood control and protection of the Rahway River watershed include:
- The Mayors Council on Rahway River Watershed Flood Control. After Hurricane Irene in 2011, mayors of towns along the Rahway River established this organization to find solutions to flooding in the Watershed. 
- The Cranford Flood Advisory Committee (CFAC) was formed as an official committee of the Township and has been active on current issues since mid 1997. 
- The Cranford Environmental Commission ("My Green Cranford") is a statutory board of seven regular Cranford-resident members and two alternates Cranford resident-members. 
- Rahway River Association. The purpose of the Rahway River Association is to protect and restore the Rahway River and its ecosystem. 
- Rahway River Watershed Storm Water Advisory Board. With continued concerns about flooding, a regional board was formed in early 2013 to advise Rahway River Watershed towns and advocate for changes to ordinances and implementation of best storm water management practices that can protect water quality and reduce the quantity of uncontrolled runoff. 
- 1000 Rain Gardens. This initiative aims to develop, through public and private means, at least 1000 rain gardens in the Rahway River Watershed from West Orange in Essex County to Woodbridge in Middlesex County. 
- The New Jersey Watershed Ambassadors Program is a community-oriented AmeriCorps environmental program coordinated by the New Jersey Department of Environmental Protection and is designed to raise awareness about watersheds in New Jersey. Through this program, AmeriCorps members are placed in watershed management areas across the state to serve the educational water-related interests of their local communities. The program invited all ages of citizens to improve the quality of New Jersey's waterways and water quaility.
Watershed Ambassadors monitor the rivers of New Jersey through volunteer monitoring programs. The AmeriCorps leaders are used to train community volunteers to use these two monitoring techniques in order to assess the health of waterways within their communities. Watershed Ambassadors make presentations to schools and community organizations along the Rahway River and other rivers for free. These interactive presentations explore water quality and watershed related topics in New Jersey.
In September 2016, the United States House of Representatives authorized the Rahway River Basin Flood Risk Management Feasibility Study under the Water Resources Development Act. The study is now a full-go after Congressman Leonard Lance and the Mayors Council on Rahway River Watershed Flood Control pushed for years for its completion.
Its goal is to devise a plan to protect New Jersey communities from Rahway River flooding.
“The Rahway River Basin Flood Risk Management Feasibility Study will create a lasting solution for the protection of New Jersey municipalities that include Cranford, Kenilworth, Maplewood, Millburn, Rahway, Springfield and Union and the surrounding areas from severe flooding,” said Lance. “For years these municipalities have pursued this project."
The U.S. Army Corps of Engineers is partnering with the New Jersey Department of Environmental Protection to carry out the Feasibility Study to identify various flood risk management alternatives for communities along the Rahway River Basin, with a specific emphasis on the city of Rahway and the township of Cranford.
The alternatives are currently undergoing economic analysis, comparing the amount of risk management provided to each alternative’s associated costs. In order for a flood risk management alternative to be considered by the Federal Government, it must provide a positive benefit-to-cost ratio. This economic analysis phase is important to not only determine the benefit-to-cost ratio of each alternative, but it is also critical for the justification and request for authorization from Congress to construct a project after the Feasibility Study is complete. 
Descriptions of the flood risk management alternatives that the U.S. Army Corps of Engineers are analyzing are available. 
Early in August 2016, Congressman Leonard Lance joined U.S. Sen. Bob Menendez (NJ) and Colonel David A. Caldwell, Commander of U.S. Army Corps of Engineers (New York District), for a site visit of a proposed flooding solution, known as Alternative 4A.
The impact of the controversial planned Pilgrim Pipeline, which would cross the river to pipe crude oil, kerosene, and diesel fuel through Clark, New Jersey, Cranford, New Jersey and Roselle, New Jersey, on the river's ecosystem is not known.  
Volunteers organize Rahway River clean-ups all year round. They remove discarded fishing lines, invasive weeds and discarded litter and compete to see who can remove the most debris. Depending on the weather, river cleaners are encouraged to dress warmly and wear boots. Gloves, litter grabbers and refreshments may occasionally be provided at these cleanups.
“The residents do a great job cleaning the parks,” Union County Watershed Ambassador Ismail Sukkar told LocalSource.
Recently, environmental groups have expressed concern over two projects on the lower tidal banks of the Rahway, roughly at Potters Island:
- Soil Safe-Metro12, also known as the Rahway Arch, in Carteret.   This project is alleged to involve the dumping of contaminated soil.
- 4050 Tremley Point Road  This involves a concern by environmentalists raised in late 2016 over the dumping of contaminated soil on a wedge of riverside land where Marshes Creek meets the Rahway River (not to be confused with Morses Creek which flows into the Arthur Kill to the north). The 88-acre site on the river in a flood zone had lain untouched for almost 60 years; it had been used for coal ash disposal for a decade at that time, and environmental groups complained that the trucked-in soil was far more heavily contaminated than the site itself. The site had been purchased in 2013 to build a warehouse, trucking depot, driveway and parking lot. 
The Pilgrim Pipeline is a planned 178-mile pipeline that would run through the Rahway River watershed and deliver up to 400,000 barrels of crude oil and other hazardous liquids a day from Albany, New York to coastal Linden, New Jersey across from Staten Island. 
The developers of the pipeline expect it to cross the Rahway River near the site of Hillside Avenue School in the township of Cranford, New Jersey.
RAHWAY RIVER INFORMATION
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