ORSANCO - RiverWatchers' Data Entry

School	Dixie Heights High School
Ohio Rivermile/Tributary	477
Web Site	http://www.dixie.kenton.k12.ky.us
City	Villa Hills
State	KY
Class
Instructor	Sue Wadsworth

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Water Quality Index Results

Date

Time

Today Weather

Yesterday Weather

Air Temp
°C

Water Temp
°C

DO
(% Sat)

E.Coli
(colonies per 100 mL )

pH
(units)

BOD 5
(mg/L)

H2O Temp Change
(°C)

Total Phosphate
(mg/L)

Nitrate
(mg/L)

Turbidity
(NTUs)

Water Quality Index
(%)


	Water Quality Index

	90 - 100%	Excellent
	70 - 90%	Good
	50 - 70%	Medium
	25 - 50%	Bad
	0 - 25%	Very Bad

Guide for Water Quality Ranges


	Dissolved Oxygen (% Saturation)

	91 to 110	Excellent
	91 to 90 > 110	Good
	51 to 70	Fair
	<50	Poor


	Total Phosphate

	< .10	Excellent
	.11 to .16	Good
	.17 to .58	Fair
	.59 to 2.99	Poor
	> 3.0	Very Poor


	E. Coli (colonies per 100 mL)

	< 50	Excellent
	51 to 200	Good
	201 to 1000	Fair
	> 1000	Poor


	Nitrate (NO3) (mg/L)

	< 1.32	Excellent
	1.76 to 3.52	Good
	3.96 to 8.36	Fair
	> 8.8	Poor


	pH (pH units)

	6.5 to 7.5	Excellent
	6.0 to 6.4 7.6 to 8.0	Good
	5.5 to 5.9 8.1 to 8.5	Fair
	< 5.5 < 8.6	Poor


	Turbidity (JTU, NTU)

	1 to 10	Excellent
	10.1 to 40	Good
	40.1 to 150	Fair
	> 150	Poor


	Biochemical Oxygen Demand (mg/L)

	<2	Excellent
	2.0 to 4.0	Good
	4.1 to 10	Fair
	> 10	Poor


	Water Temperature Change (°C)

	0 to 2	Excellent
	2.2 to 5	Good
	5.1 to 9.9	Fair
	> 10	Poor

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Public Information Department - RiverWatchers Program
5735 Kellogg Avenue
Cincinnati, OH 45202
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