Dam Report

Jackson Pond Dam dam

New Jersey, USA Rahway River Hazard Significant
Today high
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Tonight low
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Dam height
15ft
Hazard rating
Significant
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Jackson Pond Dam -- None dam
Jackson Pond Dam None · Rahway River
About this dam

Jackson Pond Dam

Jackson Pond Dam, located in Union County, New Jersey, is a significant earth dam with a height of 14.9 feet and a storage capacity of 90 acre-feet. Its primary purpose is listed as "Other", serving as a critical infrastructure for water resource management in the region. The dam is regulated by the New Jersey Department of Environmental Protection (NJDEP) and undergoes regular inspections to ensure its structural integrity and safety.

The dam's location on the Rahway River makes it a crucial part of the local watershed, with a drainage area of 40 square miles. Despite its satisfactory condition assessment, Jackson Pond Dam is classified as having a significant hazard potential, highlighting the importance of proper maintenance and emergency preparedness. The dam's last inspection in November 2021 revealed no major issues, but its emergency action plan (EAP) has not been updated since 2011, raising concerns about its current effectiveness in the event of a crisis.

Managed by the local government, Jackson Pond Dam plays a vital role in water resource management and flood control in the area. With its proximity to residential areas and infrastructure, ensuring the dam's safety and functionality is paramount for protecting the surrounding community and the environment. As climate change continues to impact water resources, the importance of maintaining and monitoring critical infrastructure like Jackson Pond Dam becomes increasingly crucial for sustainable water management and climate resilience.

StateNone
River / streamRahway River
NID IDNJ00771
Owner typeLocal Government
Primary purposeOther
Dam typeEarth
Dam height15 ft
Dam length276 ft
Normal storage90 AF
Surface area15.0 ac
Drainage area40.0 sq mi
Hazard potentialSignificant
ConditionSatisfactory
Last inspectionWed, 24 Nov 2021 12:00:00 GMT

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.
Detailed forecast

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.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

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.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Jackson Pond Dam -- inflows here typically show up in storage 24-72 hours later.

Track Jackson Pond 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.

FAQ

About Jackson Pond Dam

Where does the data for Jackson Pond 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 Significant 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.