Okla. Admin. Code § 310:320-3-8
| MINIMUM | IDEAL | MAXIMUM | COMMENTS | |
|---|---|---|---|---|
| A. DISINFECTANT LEVELS | ||||
| 1. Free chlorine, mg/l (ppm) | 1.0 | 1.0-1.5 | 5.0 | Note: Chlorine should be maintained at this level continually. Super-chlorinate regularly. See B-1 below. |
| 2. Combined chlorine, mg/l (ppm) | None | None | 0.2 | If combined chlorine* is too high you may have: Sharp chlorinous odors Eye burn Algal growth Bacteria growth (*combined chlorine is eliminated by super-chlorination) |
| 3. Bromine, mg/l (ppm) | 2.0 | 3.0 | 4.0 | Note: Health department officials should be consulted before use. |
| B. CHEMICAL VALUES | ||||
| 1. pH | 7.2 | 7.5 | 7.8 | If pH is: TOO HIGH: Low chlorine efficiency Scale formation Cloudy water Increased chemical demand Eye discomfort TOO LOW: Rapid dissipation of chlorine Plaster/concrete etching Eye discomfort Corrosion of metals |
| 2. Total alkalinity as CaCO2, mg/l (ppm) | 80 | 100 | 200 | If total alkalinity is: TOO HIGH: Cloudy water Increased scaling potential pH maintained too high TOO LOW: pH bounce Corrosion tendency |
| MINIMUM | IDEAL | MAXIMUM | COMMENTS | |
|---|---|---|---|---|
| 3. Undissolved solids, mg/l (ppm) (Turbidity) | None | None | None | If undissolved solids are: TOO HIGH: |
| 4. Dissolved solids, mg/l (ppm) | 300 | … | 1500 | If dissolved solids are: TOO LOW: Total alkalinity may be too low Aggressive water TOO HIGH: Chlorine may be less effective Scaling may occur Fresh water should be added to reduce solids Salty taste Dull water Chemical balance difficult to maintain |
| 5. Hardness, as CaCO2 mg/l | 50 | 125 | 500 | If hardness is: TOO LOW: Plaster or concrete etching may occur TOO HIGH: Scaling may occur Water has bad “feel” Corrosion Short filter runs |
| 6. Copper, mg/l (ppm) | None | None | 0.3 | If copper content is: TOO HIGH: Staining may occur Water may discolor Chlorine dissipates rapidly Filter may plug May indicate pH too low, corrosion, etc. |
| 7. Iron, mg/l (ppm) | None | None | /0.2 0.3 | If iron content is: TOO HIGH: Staining may occur Water may discolor Chlorine dissipates rapidly Filter may plug |
| MINIMUM | IDEAL | MAXIMUM | COMMENTS | |
|---|---|---|---|---|
| 8. Manganese, mg/l (ppm) | None | None | 0.05 | If manganese content is: TOO HIGH: Staining may occur |
| C. BIOLOGICAL VALUES | ||||
| 1. Algae | None | None | None | If algae are observed: Super-chlorine or shock treat pool Supplement with brushing and vacuuming Maintain adequate free chlorine residual Use approved algacide according to label direction |
| 2. Bacteria | None | None | Refer to local health code | If bacteria count exceeds health department requirements: Super chlorinate pool and follow proper maintenance procedures Maintain proper free chlorine residual |
| D. STABILIZER | ||||
| 1. Cyanuric acid, mg/l (ppm) | 30 | … | 100 | If stabilizer is: TOO LOW: Chlorine residual rapidly destroyed by sunlight TOO HIGH: May exceed health department regulation NOTE: Stabilizer is not needed for indoor pools and should not be used in hot water facilities. Cyanuric acid may titrate as alkalinity. See Appendix. |
| E. ALGACIDES | ||||
| 1. Quaternary algacides, mg/l (ppm) | … | … | … | NOTE: Not permitted in public pools. |
| 2. Copper based algacides, (nonchelated), mg/l (ppm) | 0.1 | 0.2 | 0.3 | NOTE: Ineffective against some algae. Health department officials should be consulted before using. May contribute to staining. |
| MINIMUM | IDEAL | MAXIMUM | COMMENTS | |
|---|---|---|---|---|
| 3. Copper based (chelated), mg/l (ppm) | 0.1 | 1.0 | 3.0 | NOTE: See note above. |
| 4. Silver based, mg/l (ppm) | 0.5 | 1.5 | 3.0 | NOTE: Precipitates with cyanuric acid. Ineffective against some algae. Health department officials should be consulted before use. |
| F. REMEDIAL PRACTICES | ||||
| 1. Super-chlorination frequency | Monthly | When combined chlorine is 0.2 mg/l (ppm) or more | Weekly | NOTE: See design sections. |
| 2. Required super-chlorination chlorine, mg/l (ppm) | 5 | 10 | … | |
| 3. Required shock treatment chlorine, mg/l (ppm) | 10 | … | … | |
| 4. Floccing frequency | Not recommended | NOTE: Health department officials should be consulted before using. | ||
| 5. Water replacement Hot water facilities | … | … | … | Change water and clean monthly as a minimum, more frequently when heavy use and chemical treatment difficulties are experienced. |
| G. TEMPERATURE | ||||
| 1. Water temperature o F Hot water facilities | 90o | … | 105 o | If temperature is: TOO LOW: Bather discomfort TOO HIGH: Threat to health of certain persons with high blood pressure Excessive fuel requirement Increased evaporation Bather discomfort |
| MINIMUM | IDEAL | MAXIMUM | COMMENTS | |
|---|---|---|---|---|
| 2. Swimming pools (Artificially heated water) | 75 o | … | 90 o | |
| 3. Indoor pools (air) Excluding hot water facilities | Water temperature plus 8 o max. Water temperature minus 2 o min. | |||
| H. WATER CLARITY | ||||
| 1. Water turbidity | Must be able to see main drain or six inch black disk on bottom of deepest part of pool from pool sidewalk. TOO HIGH: Chlorine level may be too low Filtration system may be inoperative Too turbid water may lead to drowning because of reduced visibility |
MINIMUM
IDEAL
MAXIMUM
COMMENTS
A. DISINFECTANT LEVELS
1. Free chlorine, mg/l (ppm)
1.0
1.0-1.5
5.0
Note: Chlorine should be maintained at this level continually. Super-chlorinate regularly. See B-1 below.
2. Combined chlorine, mg/l (ppm)
None
None
0.2
If combined chlorine* is too high you may have:
Sharp chlorinous odors
Eye burn
Algal growth
Bacteria growth
(*combined chlorine is eliminated by super-chlorination)
3. Bromine, mg/l (ppm)
2.0
3.0
4.0
Note: Health department officials should be consulted before use.
B. CHEMICAL VALUES
1. pH
7.2
7.5
7.8
If pH is:
TOO HIGH:
Low chlorine efficiency
Scale formation
Cloudy water
Increased chemical demand
Eye discomfort
TOO LOW:
Rapid dissipation of chlorine
Plaster/concrete etching
Eye discomfort
Corrosion of metals
2. Total alkalinity as CaCO2, mg/l (ppm)
80
100
200
If total alkalinity is:
TOO HIGH:
Cloudy water
Increased scaling potential
pH maintained too high
TOO LOW:
pH bounce
Corrosion tendency
MINIMUM
IDEAL
MAXIMUM
COMMENTS
3. Undissolved solids, mg/l (ppm) (Turbidity)
None
None
None
If undissolved solids are: TOO HIGH:
4. Dissolved solids, mg/l (ppm)
300
…
1500
If dissolved solids are:
TOO LOW:
Total alkalinity may be too low
Aggressive water
TOO HIGH:
Chlorine may be less effective
Scaling may occur
Fresh water should be added to reduce solids
Salty taste
Dull water
Chemical balance difficult to maintain
5. Hardness, as CaCO2 mg/l
50
125
500
If hardness is:
TOO LOW:
Plaster or concrete etching may occur
TOO HIGH:
Scaling may occur
Water has bad “feel”
Corrosion Short filter runs
6. Copper, mg/l (ppm)
None
None
0.3
If copper content is: TOO HIGH:
Staining may occur
Water may discolor
Chlorine dissipates rapidly
Filter may plug
May indicate pH too low,
corrosion, etc.
7. Iron, mg/l (ppm)
None
None
/0.2 0.3
If iron content is:
TOO HIGH:
Staining may occur
Water may discolor
Chlorine dissipates rapidly
Filter may plug
MINIMUM
IDEAL
MAXIMUM
COMMENTS
8. Manganese, mg/l (ppm)
None
None
0.05
If manganese content is:
TOO HIGH:
Staining may occur
C. BIOLOGICAL VALUES
1. Algae
None
None
None
If algae are observed:
Super-chlorine or shock treat pool
Supplement with brushing and vacuuming
Maintain adequate free chlorine residual
Use approved algacide according to label direction
2. Bacteria
None
None
Refer to local health code
If bacteria count exceeds health department requirements:
Super chlorinate pool and follow proper maintenance
procedures
Maintain proper free chlorine residual
D. STABILIZER
1. Cyanuric acid, mg/l (ppm)
30
…
100
If stabilizer is:
TOO LOW:
Chlorine residual rapidly destroyed by sunlight
TOO HIGH:
May exceed health department regulation
NOTE: Stabilizer is not needed for indoor pools and should not be used in hot water facilities. Cyanuric acid may titrate as alkalinity. See Appendix.
E. ALGACIDES
1. Quaternary algacides, mg/l (ppm)
…
…
…
NOTE: Not permitted in public pools.
2. Copper based algacides, (nonchelated), mg/l (ppm)
0.1
0.2
0.3
NOTE: Ineffective against some algae. Health department officials should be consulted before using. May contribute to staining.
MINIMUM
IDEAL
MAXIMUM
COMMENTS
3. Copper based (chelated), mg/l (ppm)
0.1
1.0
3.0
NOTE: See note above.
4. Silver based, mg/l (ppm)
0.5
1.5
3.0
NOTE: Precipitates with cyanuric acid. Ineffective against some algae. Health department officials should be consulted before use.
F. REMEDIAL PRACTICES
1. Super-chlorination frequency
Monthly
When combined chlorine is 0.2 mg/l (ppm) or more
Weekly
NOTE: See design sections.
2. Required super-chlorination chlorine, mg/l (ppm)
5
10
…
3. Required shock treatment chlorine, mg/l (ppm)
10
…
…
4. Floccing frequency
Not recommended
NOTE: Health department officials should be consulted before using.
5. Water replacement
Hot water facilities
…
…
…
Change water and clean monthly as a minimum, more frequently when heavy use and chemical treatment difficulties are experienced.
G. TEMPERATURE
1. Water temperature o F
Hot water facilities
90o
…
105 o
If temperature is:
TOO LOW:
Bather discomfort
TOO HIGH:
Threat to health of certain persons with high blood pressure
Excessive fuel requirement
Increased evaporation
Bather discomfort
MINIMUM
IDEAL
MAXIMUM
COMMENTS
2. Swimming pools
(Artificially heated water)
75 o
…
90 o
3. Indoor pools (air)
Excluding hot water facilities
Water temperature plus 8 o max.
Water temperature minus 2 o min.
H. WATER CLARITY
1. Water turbidity
Must be able to see main drain or six inch black disk on bottom of deepest part of pool from pool sidewalk.
TOO HIGH:
Chlorine level may be too low
Filtration system may be inoperative
Too turbid water may lead to drowning because of reduced visibility