Tyrrell County Water Department

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: Tyrrell County Water Department   PWSID: 04-89-015
Mailing Address:PO Box 449
Columbia, NC 27925		Ownership:County
 
Contact Person:Jeremy HaislipTitle:Utilities Director
Phone:252-796-1371Cell/Mobile:--
Distribution System
Line Type Size Range (Inches) Estimated % of lines
Ductile Iron 6-8 1.00 %
Polyvinyl Chloride 2-10 99.00 %
What are the estimated total miles of distribution system lines?   140 Miles
How many feet of distribution lines were replaced during 2002?   0 Feet
How many feet of new water mains were added during 2002?   0 Feet
How many meters were replaced in 2002?   100
How old are the oldest meters in this system?   15 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?   1.0500 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.   No
Programs
Does this system have a program to work or flush hydrants?   Yes, 2-6 Months
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?   Other
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
Tyrrell0 %
What was the year-round population served in 2002?   2,517
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 1,485 0.1690 0 0.0000
Commercial 12 0.0150 0 0.0000
Industrial 0 0.0000 0 0.0000
Institutional 1 0.0320 0 0.0000

How much water was used for system processes (backwash, line cleaning, flushing, etc.)?   0.0280 MGD

Tyrrell County brought a new Reverse Osmosis plant on line in Aug. 2002. The concentrate discharge associated with this treatment is not process 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
Columbia 04-89-010 0.0000 0 0.0000 4 Emergency

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 0.3100 0.3700 May 0.3300 0.3800 Sep 0.3410 0.4310
Feb 0.3100 0.3600 Jun 0.3300 0.4100 Oct 0.3490 0.4250
Mar 0.3200 0.3900 Jul 0.3100 0.3800 Nov 0.3370 0.4620
Apr 0.3200 0.4100 Aug 0.3920 0.5650 Dec 0.3480 0.4200

Aug. 02 required extensive line flushing prior to RO water being introduced into the system.
NCDOT required 1.8 MG from mid Aug - mid Oct. for Hwy construction

Ground Water Sources
Name or Number Average Daily Withdrawal (MGD) Max Day Withdrawal (MGD) 12-Hour Supply
(MGD)		 CUA Reduction Year Offline Use Type
MGD Days Used
Creeks 2 0.0920 365 0.180 0.0920 Regular
RO 4- on site 0.2360 182 0.279 0.2950 Regular
RO 5- remote 0.2360 183 0.279 0.2950 Regular
Ground Water Sources (continued)
Name or Number Well Depth (Feet) Casing Depth
(Feet)		 Screen Depth (Feet) Well Diameter (Inches) Pump Intake Depth (Feet) Metered?
Top Bottom
Creeks 2 143 123 123 143 8 120 Yes
RO 4- on site 499 400 400 480 10 120 Yes
RO 5- remote 500 416 416 476 10 120 Yes
Are ground water levels monitored?   Yes, Monthly
Does this system have a wellhead protection program?   No

Creeks 1 well abandoned. This RO system currently has a 75% recovery rate. The average daily withdrawal for each well is approximated based on the average daily finished amount provided (RO 4-on site=0.177 mgd,RO 5-on site=0.177 mgd) adjusted by the recovery rate as being pumped on alternating days for the entire 2002 year.

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
Columbia 04-89-010 0.0040 365 0.0000 6 Regular
Water Treatment Plants
Plant Name Permitted Capacity
(MGD)		 Is Raw Water Metered? Is Finished Water Ouput Metered? Source
Creeks 0.2020 Yes Yes Groundwater
Reverse Osmosis Plant 0.4320 Yes Yes Groundwater
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

Storage capacity includes new 0.3MG ground storage tank slated for construction in the spring of 2003.

4. Wastewater Information

Monthly Discharges
Average Daily
Discharge (MGD)		 Average Daily
Discharge (MGD)		 Average Daily
Discharge (MGD)
Jan 0.0210 May 0.0210 Sep 0.8000
Feb 0.0210 Jun 0.0210 Oct 0.8330
Mar 0.0210 Jul 0.0210 Nov 0.7440
Apr 0.0210 Aug 0.6240 Dec 0.7380

How many sewer connections does this system have?   0
How many water service connections with septic systems does this system have?   1,485
Are there plans to build or expand wastewater treatment facilities in the next 10 years?   No

RO Plant came on line in August '02

Wastewater Permits
Permit Number Type Permitted Capacity
(MGD)		 Design Capacity
(MGD)		 Average Annual
Daily Discharge
(MGD)		 Maximum Day Discharge
(MGD)		 Receiving Stream Receiving Basin
NC0086924 0.2160 0.2160 0.0280 0.0500 Bull Bay Albemarle Sound (12-1)
NC0087092 0.0000 0.0000 0.0210 0.0210 Riders Creek (First Creek +) Albemarle Sound (12-1)

NC0087092 discharges into Riders Creek, specifically First Creek and the connecting canals.

5. Planning

Projections
  2002 2010 2020 2030
Year-Round Population 2,517 4,285 4,462 4,567
Seasonal Population 0 0 0 0
 
Residential 0.1690 0.3190 0.3280 0.3330
Commercial 0.0150 0.0300 0.0300 0.0300
Industrial 0.0000 0.0000 0.0000 0.0000
Institutional 0.0320 0.0410 0.0410 0.0410
System Process 0.0280 0.0500 0.0520 0.0540
Unaccounted-for 0.0880 0.0600 0.0600 0.0600

Projections taken from CAMA DLUP.Assumed unaccounted-for water of approximately 15% of total service area demand. Assumed backwash would remain proportional to projected demand. Projections taken from CAMA DLUP.

Demand v/s Percent of Supply
  2002 2010 2020 2030
Surface Water Supply 0.0000 0.0000 0.0000 0.0000
Ground Water Supply 0.6820 0.6820 0.6820 0.6820
Purchases 0.0040 0.0040 0.0040 0.0040
Future Supplies 0.0000 0.0000 0.0000
Total Available Supply (MGD) 0.6860 0.6860 0.6860 0.6860
Service Area Demand 0.3320 0.5000 0.5110 0.5180
Sales 0.0000 0.0000 0.0000 0.0000
Future Sales 0.0000 0.0000 0.0000
Total Demand (MGD) 0.3320 0.5000 0.5110 0.5180
Demand as Percent of Supply 48% 73% 74% 76%

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 67 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?   

Additional Information

Has this system participated in regional water supply or water use planning?  No

What major water supply reports or studies were used for planning?  There is a Capacity Grant application that has been submitted to the Rural Center. The purpose is to do a long-range study of the water distribution and supply needs of the county and specifically evaluate the Creeks WTP which is curretly under a SOC.

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.