Louisiana Administrative Code
Title 51 - PUBLIC HEALTH-SANITARY CODE
Part XII - Water Supplies
Chapter 4 - Community Water System Accountability Rule
Section XII-407 - Calculation of Letter Grade and Score

Universal Citation: LA Admin Code XII-407

Current through Register Vol. 50, No. 9, September 20, 2024

A. The score for each community water system shall be calculated per the following method:

1. Using the Letter Grade Schedule in §405 of this Part, sum the points deducted for each standard specified in §405.A 1-7.b and subtract the total point deduction from 100. Extra points can be added to the final score if granted per §405.B of this Part. See Table 407.A.1 (below) for an example of the grade score calculation.

Table 407.A.1

Letter Grade Score Calculation Example

Grade Standards

Point Deductions

1. Federal Water Quality Violations

0

2. State Violations

2

3. Financial Sustainability

0

4. Operation and Maintenance Performance

3

5. Infrastructure Violations

0

6. Customer Satisfaction

5

7. Level of Secondary Contaminants

5

Total Point Deduction

15

Extra Points

5

Score = 100 - Total Point Deduction + Extra Points

(Score = 100 - 15 + 5)

90

Letter Grade

A

B. The letter grade for each community water system shall be assigned based on Table 407.B (below) using the score calculation specified in §407.A.1 of this Part.

Table 407.B

Letter Grade

Point Value

A

a0¥ 90

B

80 - 89

C

70 - 79

D

60 - 69

F

a0¤ 59

AUTHORITY NOTE: Promulgated in accordance with R.S. 40:4(A)(8), R.S. 40:5.A.(2)(3)(5)(6)(17)(20) and R.S. 40:5.9.1.D.(1).

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