7420

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FOREST SERVICE MANUAL

RUSSELLVILLE, AR

TITLE 7400 - PUBLIC HEALTH AND POLLUTION CONTROL FACILITIES

OZARK SUPPLEMENT NO. 7400-92-1

Effective February 6, 1992

POSTING NOTICE. SUPPLEMENTS to this MANUAL are numbered consecutively. Check the last transmittal received for this manual to see that the above supplement number is in sequence. If not, order intervening supplements at once on form FS-1100-6. Do not post this supplement until the missing one(s) is received and posted. After posting retain this transmittal until the next supplement to this manual is received. Place it at the front of the manual behind the title page.

Superseded New

Page Code (Number of Sheets)

7421.24f--1 thru 7421.24f--6 3 0

Superseded New

Document Code (Number of Sheets)

7420 0 7

Digest:

7421.24f - Revision in format of this supplement. Minor correction in the text.

LYNN C. NEFF

Forest Supervisor

FSM 7400 - PUBLIC HEALTH AND POLLUTION CONTROL FACILITIES

OZARK SUPPLEMENT 7400-92-1

EFFECTIVE 02/06/92

7420 - DRINKING WATER

7421 - POTABLE WATER

7421.24 - Testing

7421.24f - Microbiological Testing. The following guidelines shall be followed for sampling potable water supplies for bacteriological examination.

Testing and Reporting Requirements

1. All testing dates and results shall be reported using the form Report 160. This form will be sent to each RD, Cass and the Wedington Unit at the beginning of each calendar year. An example of a completed Report 160 is included in FSM 7421.25 R-8 Supp. 14 dated 5/87. Required follow-up testing requirements are outlined in Table 1 to FSM 7421.26.

2. The Arkansas State Health Department will include any follow-up testing requirements or notification requirements when the sample results are reported. Since the State Health Department has not certified any private testing laboratories, all testing must be done by the State. Document and notify the Facilities Engineer in the SO of compliance with any notification requirements or other special requirements, so this information can be relayed to the State Health Department.

3. A copy of the completed Report 160 will be sent to the SO no later than seven (7) days after the end of each month. Do not hold the reports until all follow-up test results are received.

4. Send copies of all test reports, and any instructions received from the State Health Department during the month, to the SO with the copy of Report 160.

5. Inspect, flush, disinfect, and reflush each seasonal system before taking the "First Test" each year.

6. DO NOT open a system until a negative "First Test" is obtained on that system. Positive tests taken before a system is opened do not have to be recorded unless they occur after the "First Test" is taken.

7. Except for Cass and Blanchard, one microbiological test on each system is required for each month or partial month that the system is open. The "First Test" does not count as a monthly test and is recorded in a separate column.

8. A trained alternate must be available any time the person responsible for sampling is unable to take the samples.

General Considerations in Sampling

1. Use only bottles, which have been furnished by the Arkansas State Health Department. Do not rinse the bottles before sampling.

2. The samples should be collected from faucets; water taps, or hose bibs that are used frequently. Select an indoor sampling point, if possible, to avoid dust contamination and to make sterilization of the faucet easier.

3. Do not collect samples from fire hydrants; yard hydrants with weep drains, hoses, dirty or leaky faucets, or drinking fountain heads (unless this is the only access). Do not collect samples from kitchen sink faucets, any faucet with an aeration screen, any faucet that swivels, or faucets that have the discharge turned up.

4. Wednesday is the last day of the week that water samples can be submitted. It is recommended that samples be taken on Monday, when possible, to prevent them from being rejected as too old.

5. Each bottle of water submitted is counted as one "sample". Each sample is examined only if it is received less than forty-eight (48) hours after the time of collection indicated on the identification card.

Collecting the Sample

1. Turn on the water and flush the system for one to two minutes.

2. Destroy contaminating matter on the faucet or sampling point by carefully flaming the orifice sufficiently to evaporate the water. A good flaming device can be made from a wad of cotton on a piece of wire and saturated with rubbing alcohol. The alcohol flame will not damage plated fixtures or leave soot. A propane torch is ideal for most situations.

3. After flaming, let the water flow enough to flush out service connection lines and secure fresh water, which is representative of the supply. Two minutes or more is recommended.

4. Do not use bottles that have defective or rusty lids. The lid must not be removed from bottle until immediately before sample is to be taken.

5. Do not touch the mouth of the bottle or underside of the cap. Do not lay the cap down. A small pencil size stream of water is best for taking the sample.

6. Hold the bottle at a slight angle, under the faucet, and fill to the top. Avoid letting the water splash against the rim of the bottle or against nearby objects since contamination may be introduced in this way. Do not let the mouth of the bottle touch the faucet or any other object. Replace cap and check for leaking. Discard sample if leakage occurs.

7. During warm weather it is recommended that samples be kept in a cooler from the time they are collected until they are delivered to the Post Office. Delivery to the Post Office should be delayed until just before the time packages are mailed out. It is also recommended that samples, from supplies that are not chlorinated, be mailed in insulated mailers containing ice packets. An initial supply of insulated mailers and ice packets was sent to each District with active non-chlorinated water supplies. This procedure will reduce the number of resample that must be taken due to an excessive level of non-harmful microorganisms.

Filling Out the Sample Information Card

1. Completely fill out the left side of the information card supplied with the sample bottle. If this is not done the sample will not be tested.

2. Check the square marked "Public" on the card. Except for Cass, the square marked "Non-Community" will also need to be checked.

3. Check the square for the proper source. The source for each water system is shown in Exhibit 1. Also, check the "Resample" square if it is a resample.

4. The "Number" requested at the bottom of the form is the State Health Department's public water system number, not the system number shown on Report 160. The correct number must be entered or the sample will not be tested. The correct numbers to use are shown in Exhibit 1.

5. The "Send Report To:" should be filled in with the name and office address of the person responsible for taking the tests.

6. Fill out the information card in pencil or type. Cards filled out with ink often blur badly when wet.

7. Curl the sample card so that the writing is turned away from the bottle.

Completing Report 160

1. Opening and closing dates must be recorded in the appropriate columns any time a system is opened or closed. Up to three dates may be recorded in each block of the report, if this many openings and closings occur. Enter "01-01" for the opening date of any systems that are open on the first day of the calendar year and enter "12-31" for the closing date of any systems that are open on the last day of the calendar year.

2. Complete each monthly test block for all systems not permanently closed. Insert a dash (-) in place of the date if the system is closed and no test is required. Insert an asterisk (*) in place of the date if a test was required but not taken.

3. The membrane filter (MF) test is used by the State Health Department. Results are reported and actions required are:

TOTAL COLIFORM:

ABSENT	- No total coliform organisms found. Sample is safe.
PRESENT	- Total coliform organisms found. Sample is unsafe. Three resamples required.
TNTC	- Too Numerous to Count. Numerous noncoliform organisms were present in the sample and the sample is invalid. One replacement sample is required.
CG	- Confluent Growth. Membrane filter is overgrown with noncoliform organisms and the sample is invalid. One replacement sample is required.
TOO OLD	- Sample was not received by the laboratory within 48 hours of collection. One sample required.
LEAKED IN TRANSMIT	- Sample leaked in shipment resulting in less than 100 milliliters volume. One replacement sample required.
FORM POST DATED	- Sample collection date was incorrectly or purposely misstated based on the date received by the laboratory. One replacement sample required.
FORM INCOMPLETE	- Sample or water utility details were not properly completed on the sample form. One replacement sample required.
LAB ACCIDENT	- Laboratory error rendering the sample unusable. One replacement sample required.

FECAL COLIFORM:

ABSENT	- No fecal coliform organisms found.
PRESENT	- Fecal coliform organisms found. If the resample from this site is PRESENT, TNTC, or CG; or if this is a resample of routine sample, which had a result of PRESENT, an acute violation exists and the electronic media must be notified within 72 hours.

"Confluent Growth" or "Too Numerous To Count" indicates that micro-organisms (usually safe) other than coliforms are present in sufficient numbers to interfere with the coliform test. If test results are reported as "CG" or "TNTC" and coliforms are not detected, the sample is considered "unsatisfactory" and the sample must be replaced.

4. Enter the date of the regular monthly test as a two-digit number on the front portion of the report. Circle this number if resampling is necessary for any reason.

5. For any resampling, enter the system name and number on the back portion of the report. The system number is the number on the left portion of the report and is not the same as the system number used when filling out the sample information card.

6. Enter the month and day the sample, that requires resampling, as a hyphenated four digit number.

7. Enter the test results, of the sample requiring resampling, in the remarks section on the back portion of the report.

8. Up to three follow-up tests can be recorded on each line. The date and results are recorded the same as for the initial sample except that "NEG" is entered as the results for follow-up tests that do not contain any coliforms.

Required Action For Unsafe Samples

1. In addition to taking follow-up samples, the system must be closed to human consumption if any sample comes back as fecal as fecal coliform present.

2. A sanitary survey must be conducted on any system requiring closure due to unsafe samples. Problems causing the pollution must be corrected, then two consecutive safe samples must be obtained before the system is reopened.

OZARK-ST. FRANCIS WATER SYSTEMS

System Name	Source	Number
Bayou Bluff Lower Well Bayou Bluff Rec Area Beaver Point Blanchard V.I.C. Cameron Bluff Hand Pump Cameron Bluff (Submersible) Cass Job Corps Cove Lake RA East End Gunner Pool Haw Creek Falls Horsehead Bathhouse Horsehead Campsite Lake Wedington Lone Pine Long Pool RA Maple Flat Ozone Redding Campground Richland Creek Shores Lake Picnic Area Storm Creek Campground Storm Creek Concession White Road Hunter Camp White Rock RA Wolf Pen Rec Area	Well Well Well Well Well Well Surface Well Well Well Well Well Well Spring Well Well Well Well Well Well Well Well Well Well Spring Well	Z0336 Z0337 ZT076801 Z0070 T0771 T0772 T0778 T0781 Z0326 Z0339 T0788 T0789 Z0121 ZT079801 Z0338 ZT080001 T0805 T080601 T0808 T0814 ZT081701 T0818 T0820 T0821 T0823