Modesto Effluent Storage

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

CountyStanislaus
River/StreamOffstream
Coordinates37.53750, -121.08240

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length25,000 ft
Year Completed1987 (39 years old)

Storage & Hydraulics

NID Storage7,830 acre-ft
Max Storage7,830 acre-ft
Surface Area596 acres

Ownership & Safety

PurposeWater Supply
OwnerCity of Modesto
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection03/25/2025
Emergency Action PlanYes

Identifiers

NID IDCA01286
Federal IDCA01286
More InfoState Dam Safety Program

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