Nags Head

The Division of Water Resources (DWR) provides the data contained within this Local Water Supply Plan (LWSP) as a courtesy and service to our customers. DWR staff does not field verify data. Neither DWR, nor any other party involved in the preparation of this LWSP attests that the data is completely free of errors and omissions. Furthermore, data users are cautioned that LWSPs labeled PROVISIONAL have yet to be reviewed by DWR staff. Subsequent review may result in significant revision. Questions regarding the accuracy or limitations of usage of this data should be directed to the water system and/or DWR.

1. System Information

Contact Information

Incomplete

Water System Name: Nags Head   PWSID: 04-28-010
Mailing Address:P.O. Box 99
Nags Head, NC 27959		Ownership:Municipality
 
Contact Person:David PerryTitle:Water Supt.
Phone:252-449-4210Cell/Mobile:252-619-5156
 
Secondary Contact:Andy Garmen Phone:252-441-5508
Mailing Address:PO Box 99
Nags Head, NC 27959		Cell/Mobile:252-619-5156
Distribution System
Line Type Size Range (Inches) Estimated % of lines
Asbestos Cement 3-8 15.00 %
Cast Iron 6-12 25.00 %
Ductile Iron 6-14 20.00 %
Polyvinyl Chloride 2-12 40.00 %
What are the estimated total miles of distribution system lines?   75 Miles
How many feet of distribution lines were replaced during 2002?   7,820 Feet
How many feet of new water mains were added during 2002?   0 Feet
How many meters were replaced in 2002?   70
How old are the oldest meters in this system?   20 Year(s)
How many meters for outdoor water use, such as irrigation, are not billed for sewer services?   0
What is this system's finished water storage capacity?   1.8000 Million Gallons
Has water pressure been inadequate in any part of the system since last update? Line breaks that were repaired quickly should not be included.   Yes
Programs
Does this system have a program to work or flush hydrants?   Yes, 12 Months or more
Does this system have a valve exercise program?   Yes, Annually
Does this system have a cross-connection program?   Yes
Does this system have a program to replace meters?   Yes
Does this system have a plumbing retrofit program?   No
Does this system have an active water conservation public education program?   No
Does this system have a leak detection program?   No
Water Conservation
What type of rate structure is used?   Increasing
How much reclaimed water does this system use?   0.0000 MGD   For how many connections?   0
Does this system have an interconnection with another system capable of providing water in an emergency?   Yes

2. Water Use Information

Service Area
Sub-Basin(s)% of Service Population
Albemarle Sound (12-1)0 %
County(s)% of Service Population
Dare0 %
What was the year-round population served in 2002?   2,847
What was the seasonal population and months served in 2002? (if applicable)   38,353 ( Jun Jul Aug )
Has this system acquired another system since last report?   
Water Use by Type
Type of Use Metered
Connections		 Metered
Average Use (MGD)		 Non-Metered
Connections		 Non-Metered
Estimated Use (MGD)
Residential 4,545 1.0470 0 0.0000
Commercial 350 0.0820 0 0.0000
Industrial 1 0.0030 0 0.0000
Institutional 2 0.0280 0 0.0000

How much water was used for system processes (backwash, line cleaning, flushing, etc.)?   0.0310 MGD

Assumed residential and commercial customers grew by the same ratio as the overall Nags Head population did.

Assumed that the average water use by category increased proportionally to the growth relative 1997 LWSP.

The sales to other systems comes from their own water source. They purchase their water from a regional supply so these numbers are not indicative of the situation.

Process water is the average over entire year although its use was intermittent during the year.

After initial review of plan and further discussion it appears there may be an error between monthly-metered water connections and the amount of purchased water.

Water Sales
Purchaser PWSID Average
Daily Sold
(MGD)		 Days
Used		 Contract Required to
comply with water
use restrictions?		 Pipe Size(s)
(Inches)		 Use
Type
MGD Expiration Recurring
Dare Co Regional 04-28-030 0.5290 51 1.5000 2036 24 Regular

3. Water Supply Sources

Monthly Withdrawals & Purchases
Average Daily
Use (MGD)		 Max Day
Use (MGD)		 Average Daily
Use (MGD)		 Max Day
Use (MGD)		 Average Daily
Use (MGD)		 Max Day
Use (MGD)
Jan 0.6220 1.0550 May 1.1130 1.7370 Sep 1.2540 1.4930
Feb 0.6020 1.7230 Jun 1.7260 2.1430 Oct 1.0740 1.3540
Mar 0.7020 0.9960 Jul 2.1450 2.6800 Nov 0.8350 1.4820
Apr 0.8400 1.4760 Aug 1.9720 2.3720 Dec 0.5880 0.8060

After initial review of plan and further discussion it appears there may be an error between monthly-metered water connections and the amount of purchased water.

Surface Water Sources
Stream Reservoir Average Daily Withdrawal Maximum Day
Withdrawal (MGD)		 Available Raw
Water Supply		 Usable On-Stream
Raw Water Supply
Storage (MG)
MGD Days Used MGD * Qualifier
Fresh Pond Fresh Pond 0.5290 51 0.9240 0.3000 SY50 97.0000

* Qualifier: C=Contract Amount, SY20=20-year Safe Yield, SY50=50-year Safe Yield, F=20% of 7Q10 or other instream flow requirement, CUA=Capacity Use Area Permit

Surface Water Sources (continued)
Stream Reservoir Drainage Area
(sq mi)		 Metered? Sub-Basin County Year
Offline		 Use
Type
Fresh Pond Fresh Pond 0 No Albemarle Sound (12-1) Dare Regular
What is this system's off-stream raw water supply storage capacity?   0 Million gallons
Are surface water sources monitored?   ,
Are you required to maintain minimum flows downstream of its intake or dam?   No
Does this system anticipate transferring surface water between river basins?   No

Fresh Pond is a fresh water pond available for peak seasonal and short-term use.

Water Purchases From Other Systems
Seller PWSID Average
Daily Purchased
(MGD)		 Days
Used		 Contract Required to
comply with water
use restrictions?		 Pipe Size(s)
(Inches)		 Use
Type
MGD Expiration Recurring
Dare Co Regional 04-28-030 1.1470 365 3.2000 2036 24 Regular

Purchase contract reduced by 0.3 MGD, the Fresh Pond water supply. After initial review of plan and further discussion it appears there may be an error between monthly-metered water connections and the amount of purchased water.

Water Treatment Plants
Plant Name Permitted Capacity
(MGD)		 Is Raw Water Metered? Is Finished Water Ouput Metered? Source
Nags Head 1.5000 No Yes Fresh Pond
Did average daily water production exceed 80% of approved plant capacity for five consecutive days during 2002?  No
     If yes, was any water conservation implemented?  
Did average daily water production exceed 90% of approved plant capacity for five consecutive days during 2002?  No
     If yes, was any water conservation implemented?  
Are peak day demands expected to exceed the water treatment plant capacity in the next 10 years?  No

This plant is operational seasonally to accomodate the large influx of people.

4. Wastewater Information

Monthly Discharges
Average Daily
Discharge (MGD)		 Average Daily
Discharge (MGD)		 Average Daily
Discharge (MGD)
Jan 0.0000 May 0.0000 Sep 0.0000
Feb 0.0000 Jun 0.0000 Oct 0.0000
Mar 0.0000 Jul 0.0000 Nov 0.0000
Apr 0.0000 Aug 0.0000 Dec 0.0000

How many sewer connections does this system have?   0
How many water service connections with septic systems does this system have?   4,003
Are there plans to build or expand wastewater treatment facilities in the next 10 years?   No

Nags Head discharges to septic systems

5. Planning

Projections
  2002 2010 2020 2030
Year-Round Population 2,847 3,198 3,737 4,310
Seasonal Population 38,353 43,570 50,342 57,283
 
Residential 1.0470 1.7680 2.0430 2.3250
Commercial 0.0820 0.1380 0.1600 0.1820
Industrial 0.0030 0.0050 0.0060 0.0070
Institutional 0.0280 0.0470 0.0550 0.0620
System Process 0.0310 0.0520 0.0600 0.0690
Unaccounted-for -0.044 0.2010 0.2320 0.2640

Population of Nags Head is assumed to follow county growth and stay at a constant fraction of county population. Seasonal growth is assumed to follow the increase in state growth.Demand within each group was assumed not to change. Given the size of Nags Head, there is no expected change in the number of institutional or industrial water needs.

Demand v/s Percent of Supply
  2002 2010 2020 2030
Surface Water Supply 0.3000 0.3000 0.3000 0.3000
Ground Water Supply 0.0000 0.0000 0.0000 0.0000
Purchases 3.2000 3.2000 3.2000 3.2000
Future Supplies 0.0000 0.0000 0.0000
Total Available Supply (MGD) 3.5000 3.5000 3.5000 3.5000
Service Area Demand 1.1470 2.2110 2.5560 2.9090
Sales 0.0739 1.5000 1.5000 1.5000
Future Sales 0.0000 0.0000 0.0000
Total Demand (MGD) 1.2209 3.7110 4.0560 4.4090
Demand as Percent of Supply 35% 106% 116% 126%

The purpose of the above chart is to show a general indication of how the long-term per capita water demand changes over time. The per capita water demand may actually be different than indicated due to seasonal populations and the accuracy of data submitted. Water systems that have calculated long-term per capita water demand based on a methodology that produces different results may submit their information in the notes field.

Your long-term water demand is 368 gallons per capita per day. What demand management practices do you plan to implement to reduce the per capita water demand (i.e. conduct regular water audits, implement a plumbing retrofit program, employ practices such as rainwater harvesting or reclaimed water)? If these practices are covered elsewhere in your plan, indicate where the practices are discussed here.    

Are there other demand management practices you will implement to reduce your future supply needs?   

What supplies other than the ones listed in future supplies are being considered to meet your future supply needs?   

How does the water system intend to implement the demand management and supply planning components above?   

Contract with Dare Co Regional expires in 2036 but it is assumed that it will be extended.
Demand projections (2010-2030) based on peak usage for summer months of June, July, and August (1.948 mgd) and the seasonal population provided. Nags Head's average daily water demands will exceed 80% Demand as Percent of Supply by 2010. As stated in the purchase contract agreement with Dare County Regional, in the event that the system is producing ninety percent of its capacity on two consecutive days in the previous twelve months or if Nags Head exceeds their allocated amount of water on two consecutive days in the previous twelve month period, Dare County Regional shall immediately begin work to expand the production system, in not less than one million gallon per day increments.

Additional Information

Has this system participated in regional water supply or water use planning?  Yes

What major water supply reports or studies were used for planning?  Nags Head Water Master Plan, Nags Head Annual Water Report, Nags Head Land USe Plan, Dare County Annual Report
Any updates of these documents as they are produced.

Please describe any other needs or issues regarding your water supply sources, any water system deficiencies or needed improvements (storage, treatment, etc.) or your ability to meet present and future water needs. Include both quantity and quality considerations, as well as financial, technical, managerial, permitting, and compliance issues:   

The Division of Water Resources (DWR) provides the data contained within this Local Water Supply Plan (LWSP) as a courtesy and service to our customers. DWR staff does not field verify data. Neither DWR, nor any other party involved in the preparation of this LWSP attests that the data is completely free of errors and omissions. Furthermore, data users are cautioned that LWSPs labeled PROVISIONAL have yet to be reviewed by DWR staff. Subsequent review may result in significant revision. Questions regarding the accuracy or limitations of usage of this data should be directed to the water system and/or DWR.