Form Tceq 20345 – Fill Out and Use This PDF

Texas Dam Safety Program, MC 174

H y d r o l o g i c a n d H y d r a u l i c G u i d e l i n e s f o r D a m s i n Te x a s

Field Operations Support Division, Office of Compliance and Enforcement

Texas Commission on Environmental Quality

P.O. Box 13087

Austin, TX 78711

INFORMATION SHEET: PROPOSED NEW CONSTRUCTION,

MODIFICATION, REPAIR, ALTERATION, OR REMOVAL OF A DAM

(PLEASE PRINT OR TYPE)

Reference 30 Texas Administrative Code, Chapter 299, Dams and Reservoirs

PLEASE CHECK ONE: ❑ New ❑ Modification ❑ Repair ❑ Removal ❑ Alteration

SECTION 1: OWNER INFORMATION

Owner’s Name ______________________________________ Title _________________________________________

Organization _____________________________________________________________________________________

I have authorized the submittal of the final construction plans and specifications to the TCEQ Dam Safety Program according to 30 TAC Chapter 299.

________________________________________________________________________________________________

(Signature of Owner)(Date)

Owner’s Address ___________________________________________________________________________________

City _______________________________ State ____________________________ Zip Code ____________________

Phone Number (	) _______________________________ Emergency Contact Phone (	) __________________
Fax Number (	) __________________ E-mail ______________________________________________________

Owner Code (Please check one): ❑ Federal (F) ❑ Local Government (L) ❑ Utility (U) ❑ Private (P) ❑ State (S)

❑Other (O) please specify: ___________________________________________________

Dam and Reservoir Use (Please check one):		❑ Augmentation	❑ Diversion	❑ Domestic	❑ Erosion Control
❑ Evaporation	❑ Flood Control	❑ Fire Control	❑ Fish	❑ Hydroelectric	❑ Industrial
❑ Irrigation	❑ Mining	❑ Municipal	❑ Pollution Control	❑ Recreation	❑ Stock Water
❑ Settling Ponds	❑ Tailings	❑ Waste Disposal	❑ Other, please specify: _____________________________

Engineering Firm __________________________________________________________________________________

Project Engineer ________________________________________ Texas P.E. License Number _____________________

Engineering Firm Address ____________________________________________________________________________

City _______________________________ State ____________________________ Zip Code ___________________

Phone ( ) _______________________ Fax ( ) ______________________

E-mail __________________________________________________________________________________________

SECTION 2: GENERAL INFORMATION

Name of Dam ____________________________________________________________________________________

Other Name(s) of Dam ______________________________________________________________________________

Reservoir Name ___________________________________________________________________________________

Location ____________________________ Latitude _________________________ Longitude ___________________

County _____________________________ Stream Name _________________________________________________

River Basin __________________________ Topographic Map No. ___________________________________________

Distance and Direction from Nearest City or Town _________________________________________________________

TX Number _________________________ Water Rights Number ___________________________________________

If you have questions on how to fill out this form or about the Dam Safety Program, please contact us at 512-239-5195.

Individuals are entitled to request and review their personal information that the agency gathers on its forms. They may also

have any errors in their information corrected. To review such information, contact us at 512-239-3282.

T E X A S C O M M I S S I O N O N E N V I R O N M E N T A L Q U A L I T Y	31
TCEQ-20345 (1/07)

H y d r o l o g i c a n d H y d r a u l i c G u i d e l i n e s f o r D a m s i n Te x a s

SECTION 3: INFORMATION ON DAM

CLASSIFICATION
Size Classification:	❑ Large	❑ Medium	❑ Small
Hazard Classification:	❑ High	❑ Significant	❑ Low
Number of People at Risk _______________ Study Year			___________________
TYPE OF DAM: ❑ Concrete ❑ Gravity		❑ Earthfill	❑ Rockfill ❑ Masonry ❑ Other (specify) _________________

DAM STRUCTURE (dimensions to nearest tenth of foot, volume to nearest acre-foot or cubic yard, areas to nearest acre):

Spillway Height _______________ ft	(natural surface of ground to bottom of emergency spillway at longitudinal centerline)
Embankment Height ___________ ft	(natural surface of ground to crest of dam at centerline)
Structural Height ______________ ft	(bottom of cutoff trench to crest of dam at centerline)
Length of Dam ________________ ft		Crest Width __________________________________ ft
Normal Pool Elevation _____________________ ft-MSL		Principal Spillway Elevation __________________ ft-MSL
Emergency Spillway Elevation ________________ ft-MSL		Top of Dam Elevation ______________________ ft-MSL

Embankment Volume _____________________________ cu yd

Maximum Impoundment Capacity ___________________ ac-ft (at top of dam)

Normal Reservoir Capacity _________________________ ac-ft (at normal or conservation pool)

Reservoir Surface Area _____________________________ acres (at normal or conservation pool)

OUTLET
Outlet Diameter: __________________ ❑ in				❑ ft (check one)
Type: ___________________________
PRINCIPAL SPILLWAY
Type:	❑ Natural	❑ Riprap	❑ Concrete	❑ CMP	❑ RCP	❑ Other
Width (Diam.): ___________________ ft				Capacity: ____________________ cfs
EMERGENCY SPILLWAY
Type:	❑ Natural	❑ Riprap	❑ Concrete	❑ CMP	❑ RCP	❑ Other
Width (Diam.): ___________________ ft				Capacity:	____________________ cfs

Total Spillway Capacity: ______________________________________________ cfs (crest of the dam)

SECTION 4: HYDROLOGIC INFORMATION

Required Hydrologic Criteria (% PMF) _____________ % PMF Passing ______________________________

PMF Study Year ______________________________

Drainage Area: _______________________________ acres, or ________________________________ sq mi

Curve Number (AMC III condition) _______________

Time of Concentration _________________________ hr

Peak Discharge _______________________________ cfs

	Peak Stage	__________________________________ ft-MSL
	Storm Duration Causing Peak Stage _______________ hr
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