Director's Rule Director's Rule

Title

Water Quality Laboratory Analysis Charges Number

FIN-220.3 Rev. no.

4

Responsibility

Finance Division Supersedes

N/A Pages

3

General Manager/CEO signature

/s/ Andrew Lee Approval date

December 5, 2024 Effective date

January 1, 2025

A. PURPOSE

To set fees for Water Quality Laboratory services provided by Seattle Public Utilities. These fees apply to laboratory services performed for other water districts, wholesale customers (outside of contract), and others as determined by the Water Quality Laboratory Manager.

B. RULE

All laboratory analyses will be conducted at the discretion of the Water Quality Laboratory Manager and based on time availability. The prices listed below reflect the cost for a routine analysis with standard reporting and turnaround times. The price for investigative analyses will be based on time and materials as determined by the Water Quality Laboratory Manager.

BACTERIOLOGICAL ANALYSES

Aeromonas $33

Biolog $214

Total Coliform (MF) $33

Total Coliform (MPN) $29

Total Coliform/E. Coli (MMO/MUG; P/A) $21

Coliform Verification; including Fecal Coliform/E. Coli (EC/MUG) * $44

Fecal Coliform (MF) $35

Fecal Strep (Enterococcus) $41

Heterotrophic Plate Count (HPC) $38

Heterotrophic Plate Count (HPC) R2A $42

Sample prep for non-drinking water (filter/dilutions) $29

* This test is performed on drinking water samples that test positive for Total Coliform by the membrane filtration method. It is used to verify the presence of Total Coliform and simultaneously test for Fecal Coliform and E. Coli.

CHEMICAL ANALYSES

Metals/Inorganics

Digestion for non-drinking water samples $29

ICPMS (per element) $29

10 or more elements $290

ICPMS Mercury $67

Metals Filtration $27

Titrations

Total Alkalinity $38

Alkalinity Phenolphtalein $38

Calcium or Hardness, EDTA $30

Organics

DBP Formation/Simulate Distribution System (Prep only) $111

Haloacetic Acids (HAAs) $229

Dissolved Organic Carbon (DOC) $58

Total Organic Carbon (TOC) $42

Total Trihalomethanes (THMs) $105

Volatiles (VOC) $358

Nutrients

Nitrate-Nitrite $43

Nitrate $43

Nitrite $43

Total Nitrogen $66

Total Phosphorus $66

Silica $35

Ortho Phosphate $42

Other Chemical Analysis

Chlorine Demand

(a) Single contact time at the requested temperature, pH,

and Cl2 dosage. $159

(b) For each additional contact time, temperature, pH or

Cl2 dosage on the same water source. $74

Chlorine Residual, colorimetric (field) $17

Color $15

Fluoride (potentiometric) $25

Microscopic Exam (for investigations) $104

pH (potentiometric) $26

Seepage (minimum - or sum of parameters tested) $85

Solids, Total Suspended $55

Solids, Total Dissolved $55

Specific Conductance $19

Turbidity $15

UVA (254-545) $24

LIMNOLOGICAL ANALYSIS

Algal Toxins $163

Flavor Profile Analysis (FPA) and Flavor Rating Assessment (FRA) $100

Phytoplankton $94

OTHER CHARGES

Sample Collection (per hour charge) $98

C. AUTHORITY/REFERENCES

SMC 21.04.465, Standard, connection, and administrative charges