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Sunrise creates an orange sky behind the D.J. Angus at its dock in Grand Haven, MI.

Water Chemistry Analysis

AWRI's Environmental Chemistry Wetlab is able to process and analyze chemical and microbial samples for watershed groups, lake boards, lake managers, and other organizations. Contact Laboratory Supervisor Brian Scull with questions.

Brian Scull
Laboratory Supervisor
(616) 331-3037
[email protected]

A rack of test tubes containing water samples.

Price List

as of 1/1/2026

Chemical Analyses

Analyte

USEPA Method

Detection Limit

Typical* Analysis Time

Cost/sample

Cl-

300.0 Rev 2.1

0.1-50 mg/L

21 days

$15**

SO4

300.0 Rev 2.1

0.1-50 mg/L

21 days

$15**

NO3

300.0 Rev 2.1

0.01-5.0 mg/L

21 days

$15**

SRP

365.1

0.005-1.0 mg P/L

21 days

$15

TP

365.1 Rev 2.0

0.007-1.0 mg P/L

21 days

$20

Sediment TP

365.1 Rev 2.0

0.007-1.0 mg P/L

21 days

$25

TKN

351.2 Rev 2.0

0.1-2.0 mg N/L

21 days

$30

NH3

350.1 Rev 2.0

0.01-2.0 mg N/L

21 days

$15

NO2/NO3

353.2 Rev 2.0

0.012-2.0 mg N/L

21 days

$25

SiO2

370.1

0.1-10 mg silica/L

21 days

$20

TSS

2540 D

NA

21 days

$15

SCC

2540 D

NA

21 days

$15

Alkalinity

310.2

15-200 as mg/L CaCO3

21 days

$12

Optical Brighteners

5.0 mg/L

21 days

$10

Mercury (total)

7473

0.1 ng

21 days

$30

Microbial Analyses

Analyte

USEPA Method

Detection Limit

Typical* Analysis Time

Cost/sample

E. coli

Colilert-18

1-2420 cfu/100/mL

24 hours

$25

MST

EPA 1696, 1697

354 gc/100mL

28 days

$150†

Microbial Source Tracking available markers

  • Human (HF183)   
  • Ruminant (Rum2Bac)
  • Bovine (CowM2)   
  • Dog (DG3)
  • Pig (Pig2bac)   
  • Bacteroides (AllBac)

* Rapid analysis is available; contact Brian to discuss details
** $15 per individual analyte; $25 for two; $35 for all three in the same sample
† $150 for first marker; $100 for each additional maker in the same sample

Page last modified April 17, 2026