New Jersey No Name # 21 Dam dam
New Jersey No Name # 21 Dam
New Jersey No Name # 21 Dam, located in Winslow Township, Camden County, New Jersey, is a privately owned earth dam constructed in 1940 for irrigation purposes. Situated on the Great Swamp Branch, this dam has a height of 7 feet and a length of 520 feet, with a storage capacity of 116 acre-feet. Despite its low hazard potential, the dam's condition assessment is rated as poor, indicating a need for maintenance and repair.
The dam is regulated by the New Jersey Department of Environmental Protection (NJDEP) and undergoes regular inspections, with the last inspection conducted in September 2020. While the primary purpose of the dam is for irrigation, it also serves recreational purposes, providing a surface area of 15 acres for leisure activities. The dam's location in Elm makes it a vital water resource for the surrounding community, highlighting the importance of ensuring its structural integrity and safety.
With Congressman Donald Norcross representing Congressional District 01, New Jersey, the dam's management and maintenance fall under state jurisdiction. As climate change continues to impact water resources, the upkeep of dams like No Name # 21 is crucial for maintaining water supply reliability and mitigating potential risks associated with extreme weather events. Efforts to address the dam's poor condition assessment and enhance its resilience to climate-related challenges will be essential in safeguarding the community's water resources for the future.
Dam data reference
Condition Assessment
- Satisfactory
- No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
- Fair
- No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
- Poor
- A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
- Unsatisfactory
- A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
- Not Rated
- The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Hazard Potential Classification
- High
- Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
- Significant
- Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
- Low
- Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
- Undetermined
- Dams for which a downstream hazard potential has not been designated or is not provided.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around New Jersey No Name # 21 Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Great Egg Harbor R Nr Blue Anchor Nj | 16 cfs | → |
| Great Egg Harbor River At Folsom Nj | 31 cfs | → |
| Great Egg Harbor R Nr Sicklerville Nj | 3 cfs | → |
| Mullica River Near Batsto Nj | 12 cfs | → |
| Little Ease Rn Nr Clayton Nj | 2 cfs | → |
| West Branch Wading River Near Jenkins Nj | 17 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near New Jersey No Name # 21 Dam.
Boat launches
- Lakeside Avenue 440, Deptford
- Lake Trail Burlington County
- Harding Highway Pittsgrove Township
- Creek Road Bellmawr
- Centerton Road Elmer
- North Shore (Blue) Trail Burlington County
Campgrounds
- Atsion - Wharton State Forest
- Mullica River Campground
- Lower Forge Camp
- Indian Branch Park Campground
- Buttonwood Hill Camp
- Batona Camp
Fishing spots
Track New Jersey No Name # 21 Dam in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About New Jersey No Name # 21 Dam
Where does the data for New Jersey No Name # 21 Dam come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the Low hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of New Jersey No Name # 21 Dam.