7-Attachment 8 - Water Purity.pdf

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Attached to
Turnkey Ultrapure DI Water System
Solicitation number
721-26089
Issued by
Travis County, Austin City, Texas

About this file

Written by GovTribe AI ·

This is a water quality data attachment related to the University of Texas at Austin's solicitation for a turnkey ultrapure deionized (DI) water system. The document presents comparative water quality test results across three water treatment facilities: a Drinking Water Treatment Plant (DWTP), Ultrapure Water Treatment Plant (UWTP), and Heated Water Treatment Plant (HWTP), measuring both raw water sources and treated tap water outputs against Safe Drinking Water Act (SDWA) Maximum Contaminant Levels (MCLs) and Secondary Maximum Contaminant Levels (SMCLs). The tested parameters include calcium levels, electrical conductivity, and E. coli concentrations, with measurements documented in parts per million or equivalent units across all six sampling points.

The data demonstrates baseline water quality conditions and treatment effectiveness at the university's existing facilities, providing critical specifications for evaluating vendor proposals for the new ultrapure water system. The conductivity measurements range from 377 to 519 umhos/cm, calcium levels from 12 to 40 units, and E. coli levels from 5 to 8 MPN/100ml across the measured points. This technical information serves as essential reference material for qualified vendors to understand the incoming water quality characteristics and treatment performance standards required for the design and installation of the proposed turnkey ultrapure DI water system at the University of Texas at Austin.

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File Type Posted
2-Attachment 1 General Information.pdf PDF
4-Attachment 5 Access by Individuals with Disabilities.pdf PDF
8-APPENDIX ONE EXECUTION OF OFFER.docx DOCX document
5-Attachment 4 - Detailed Specifications.pdf PDF
1-Attachment 3 Subcontracting Plan.pdf PDF
3-Attachment 2 Sample Agreement.pdf PDF
6-Attachment 7 Certificate of Interested Parties.pdf PDF
9-Attachment 6 Material Specifications.doc DOC document

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DWTP UWTP HWTP DWTP UWTP HWTP SDWA Tap Raw Raw Raw Tap Tap Tap MCL/[SMCL]

Calcium 39 40 40 12 14 16 Conductivity (umhos/cm) 516 519 497 377 385 413 E.Coli (MPN/100ml) 8 5 <1 <1 <1 <1 Fluoride 0.23 0.23 0.22 0.70 0.55 0.77 4/[2] Free Ammonia (as N) <0.050 <0.050 <0.050 0.067 0.091 0.081 Magnesium 22 22 21 19 18 18 Threshold Odor (TON) 4 4 4 0 0 0 [3] pH (units) 8.25 8.25 8.17 9.66 9.72 9.59 [>7.0 ] Phenol Alkalinity (as CaCO3) 0 0 0 18 20 20 Silica 8.18 8.16 9.59 7.39 7.57 8.91 Sulfate 26.5 26.6 23.4 31.2 31.7 29.8 Total Alkalinity (as CaCO3) 159 160 159 73 74 88 Total Ammonia (as N) & & & 0.56 0.59 0.58 Total Chloramines & & & 2.74 2.66 2.68 Total Coliform (MPN/100ml) 200 204 403 <1 <1 <1 Total Hardness (as CaCO3) 190 191 186 107 109 115 Total Organic Carbon 4.09 4.16 3.86 3.04 3.03 3.05 Total Phosphate <0.050 <0.050 <0.050 0.826 1.02 0.945 Total Solids 315 297 289 210 224 232 [500] Turbidity (NTU) 1.63 1.89 2.36 0.062 0.078 0.069 0.3 UV254 (cm-1) 0.068 0.070 0.067 0.051 0.050 0.052

DWTP UWTP HWTP Central Detection South Detection North Detection SDWA Tap Raw Raw Raw Tap Limit Tap Limit Tap Limit MCL/[SMCL] in mg/L

2/12/2025 2/12/2025 2/12/2025 Haloacetic Acids (HAA5) & & & 0.0108 0.0116 0.0107 0.060 Trihalomethane & & & 0.0381 0.0433 0.0363 0.080

DWTP UWTP HWTP DWTP Detection UWTP Detection HWTP Detection SDWA Tap Raw Raw Raw Tap Limit Tap Limit Tap Limit MCL/[SMCL] in mg/L

Pesticides, Collected On: 2/12/2025 2/12/2025 5/2/2024 Endrin & & & ND 0.00001 ND 0.00001 ND 0.00001 0.002 Lindane & & & ND 0.00002 ND 0.00002 ND 0.00002 0.0002 Methoxychlor & & & ND 0.0001 ND 0.0001 ND 0.0001 0.04 Inorganics, Collected On: 2/12/2025 2/12/2025 5/2/2024 Chloride & & & 52 52 67 [250] Metals, Collected On: 2/12/2025 2/12/2025 5/2/2024 Aluminum & & & ND 0.0200 ND 0.0200 ND 0.0200 [0.05 - 0.2] Antimony & & & ND 0.0010 ND 0.0010 ND 0.0010 0.006 Arsenic & & & ND 0.0020 ND 0.0020 ND 0.0020 0.01 Barium & & & 0.009 0.0131 0.0147 2 Beryllium & & & ND 0.00080 ND 0.00080 ND 0.00080 0.004 Cadmium & & & ND 0.0010 ND 0.0010 ND 0.0010 0.005 Chromium & & & ND 0.0100 ND 0.0100 ND 0.0100 0.1 Copper & & & ND 0.0020 ND 0.0020 0.0074 1.3 ** Iron & & & 0.018 0.010 0.019 0.010 0.014 [0.3] Lead & & & ND 0.0010 ND 0.010 ND 0.0010 0.015 ** Manganese & & & ND 0.0010 ND 0.010 ND 0.0010 [0.05] Mercury & & & ND 0.00040 ND 0.010 ND 0.00040 0.002 Nickel & & & ND 0.0010 ND 0.010 ND 0.0010 [0.10] Selenium & & & ND 0.0030 ND 0.010 ND 0.0030 0.05 Silver & & & ND 0.0100 ND 0.010 ND 0.0100 [0.1] Sodium & & & 28.5 28.1 38.9 --- Thallium & & & ND 0.00040 ND 0.00040 ND 0.00040 0.002 Zinc & & & ND 0.0050 ND 0.0050 ND 0.0050 [5.0] SDWA MCL = Safe Drinking Water Act Maximum Contaminant Level SMCL = Secondary Maximum Contaminant Level standard recommended by TCEQ for aesthetic quality ** = Action Levels ND = Indicates levels are below detection limits of the instrumentation or method & = No data available col/100ml = Colonies per 100 milliliters mg/L = milligrams per liter

CONSTITUENT (mg/L)

Disinfection By Products, Collected On:

CONSTITUENT (mg/L)

CITY OF AUSTIN

1st Quarter 2025

Average Results for Samples Collected January 1, 2025 to March 31, 2025

CONSTITUENT (mg/L)

< set of averaged measurements contains results that are less than the method detection limit

Parameters listed below were collected and analyzed by TCEQ Contractors for compliance with the Safe Drinking Water Act.

Calcium 39 39 39 11 14 15 Conductivity (umhos/cm) 494 495 489 346 353 389 E.Coli (MPN/100ml) 5 6 <1 <1 <1 <1 Fluoride 0.22 0.22 0.22 0.69 0.63 0.70 4/[2] Free Ammonia (as N) <0.050 <0.050 <0.050 0.088 0.115 0.101 Magnesium 21 21 21 16 15 16 Threshold Odor (TON) 4 4 4 0 0 0 [3] pH (units) 8.15 8.17 8.20 9.73 9.74 9.63 [>7.0 ] Phenol Alkalinity (as CaCO3) 0 0 0 18 18 19 Silica 7.75 7.70 9.17 6.60 6.72 8.04 Sulfate 25.1 24.9 23.4 29.9 29.0 30.5 Total Alkalinity (as CaCO3) 156 156 156 61 63 78 Total Ammonia (as N) & & & 0.58 0.55 0.58 Total Chloramines & & & 2.76 2.68 2.66 Total Coliform (MPN/100ml) 738 503 487 <1 <1 <1 Total Hardness (as CaCO3) 184 185 182 93 95 104 Total Organic Carbon 4.16 4.21 3.92 2.92 2.92 2.95 Total Phosphate <0.050 <0.050 <0.050 1.16 1.25 1.02 Total Solids 298 283 283 194 202 218 [500] Turbidity (NTU) 1.49 1.31 1.77 0.056 0.062 0.057 0.3 UV254 (cm-1) 0.071 0.072 0.067 0.051 0.051 0.051

DWTP UWTP HWTP Central Detection South Detection North Detection SDWA Tap Raw Raw Raw Tap Limit Tap Limit Tap Limit MCL/[SMCL] in mg/L

5/13/2025 5/13/2025 5/13/2025 Haloacetic Acids (HAA5) & & & 0.0111 0.0120 0.0101 0.060 Trihalomethane & & & 0.0377 0.0350 0.0374 0.080

DWTP UWTP HWTP DWTP Detection UWTP Detection HWTP Detection SDWA Tap Raw Raw Raw Tap Limit Tap Limit Tap Limit MCL/[SMCL] in mg/L

Pesticides, Collected On: 2/12/2025 2/12/2025 5/2/2024 Endrin & & & ND 0.00001 ND 0.00001 ND 0.00001 0.002 Lindane & & & ND 0.00002 ND 0.00002 ND 0.00002 0.0002 Methoxychlor & & & ND 0.0001 ND 0.0001 ND 0.0001 0.04 Inorganics, Collected On: 2/12/2025 2/12/2025 5/13/2025 Chloride & & & 52 52 57 [250] Metals, Collected On: 2/12/2025 2/12/2025 5/13/2025 Aluminum & & & ND 0.0200 ND 0.0200 ND 0.0200 [0.05 - 0.2] Antimony & & & ND 0.0010 ND 0.0010 ND 0.0010 0.006 Arsenic & & & ND 0.0020 ND 0.0020 ND 0.0020 0.01 Barium & & & 0.009 0.0131 0.0153 2 Beryllium & & & ND 0.00080 ND 0.00080 ND 0.00080 0.004 Cadmium & & & ND 0.0010 ND 0.0010 ND 0.0010 0.005 Chromium & & & ND 0.0100 ND 0.0100 ND 0.0100 0.1 Copper & & & ND 0.0020 ND 0.0020 0.0076 1.3 ** Iron & & & 0.018 0.010 0.019 0.010 ND [0.3] Lead & & & ND 0.0010 ND 0.010 ND 0.0010 0.015 ** Manganese & & & ND 0.0010 ND 0.010 ND 0.0010 [0.05] Mercury & & & ND 0.00040 ND 0.010 ND 0.00040 0.002 Nickel & & & ND 0.0010 ND 0.010 ND 0.0010 [0.10] Selenium & & & ND 0.0030 ND 0.010 ND 0.0030 0.05 Silver & & & ND 0.0100 ND 0.010 ND 0.0100 [0.1] Sodium & & & 28.5 28.1 33.3 --- Thallium & & & ND 0.00040 ND 0.00040 ND 0.00040 0.002 Zinc & & & ND 0.0050 ND 0.0050 ND 0.0050 [5.0] SDWA MCL = Safe Drinking Water Act Maximum Contaminant Level SMCL = Secondary Maximum Contaminant Level standard recommended by TCEQ for aesthetic quality ** = Action Levels ND = Indicates levels are below detection limits of the instrumentation or method & = No data available col/100ml = Colonies per 100 milliliters mg/L = milligrams per liter

CONSTITUENT (mg/L)

Disinfection By Products, Collected On:

CONSTITUENT (mg/L)

CITY OF AUSTIN

2nd Quarter 2025

Average Results for Samples Collected April 1, 2025 to June 30, 2025

CONSTITUENT (mg/L)

Parameters listed below were collected and analyzed by TCEQ Contractors for compliance with the Safe Drinking Water Act.

Calcium 39 40 37 11 15 14 Conductivity (umhos/cm) 471 477 439 320 333 345 E.Coli (MPN/100ml) 10 4 <1 <1 <1 <1 Fluoride 0.21 0.21 0.19 0.67 0.60 0.64 4/[2] Free Ammonia (as N) <0.050 <0.050 <0.050 0.095 0.120 0.115 Magnesium 19 19 16 13 12 11 Threshold Odor (TON) 4 4 4 0 0 0 [3] pH (units) 8.07 8.09 7.89 9.75 9.78 9.66 [>7.0 ] Phenol Alkalinity (as CaCO3) 0 0 0 17 18 16 Silica 9.38 9.49 8.19 7.63 7.90 6.95 Sulfate 23.3 23.4 22.9 27.5 30.6 29.1 Total Alkalinity (as CaCO3) 151 151 139 53 57 58 Total Ammonia (as N) & & & 0.54 0.51 0.69 Total Chloramines & & & 2.73 2.59 2.65 Total Coliform (MPN/100ml) 2865 2570 813 <1 <1 <1 Total Hardness (as CaCO3) 175 177 159 82 87 80 Total Organic Carbon 4.25 4.36 4.38 2.87 2.87 2.95 Total Phosphate <0.050 <0.050 <0.050 1.14 0.899 0.831 Total Solids 297 290 264 202 207 194 [500] Turbidity (NTU) 1.24 1.38 2.89 0.056 0.051 0.053 0.3 UV254 (cm-1) 0.091 0.091 0.101 0.054 0.055 0.057

DWTP UWTP HWTP Central Detection South Detection North Detection SDWA Tap Raw Raw Raw Tap Limit Tap Limit Tap Limit MCL/[SMCL] in mg/L

8/7/2025 8/7/2025 8/7/2025 Haloacetic Acids (HAA5) & & & 0.0151 0.0146 0.0169 0.060 Trihalomethane & & & 0.0457 0.0414 0.0428 0.080

DWTP UWTP HWTP DWTP Detection UWTP Detection HWTP Detection SDWA Tap Raw Raw Raw Tap Limit Tap Limit Tap Limit MCL/[SMCL] in mg/L

Pesticides, Collected On: 2/12/2025 2/12/2025 5/2/2024 Endrin & & & ND 0.00001 ND 0.00001 ND 0.00001 0.002 Lindane & & & ND 0.00002 ND 0.00002 ND 0.00002 0.0002 Methoxychlor & & & ND 0.0001 ND 0.0001 ND 0.0001 0.04 Inorganics, Collected On: 2/12/2025 2/12/2025 5/13/2025 Chloride & & & 52 52 57 [250] Metals, Collected On: 2/12/2025 2/12/2025 5/13/2025 Aluminum & & & ND 0.0200 ND 0.0200 ND 0.0200 [0.05 - 0.2] Antimony & & & ND 0.0010 ND 0.0010 ND 0.0010 0.006 Arsenic & & & ND 0.0020 ND 0.0020 ND 0.0020 0.01 Barium & & & 0.009 0.0131 0.0153 2 Beryllium & & & ND 0.00080 ND 0.00080 ND 0.00080 0.004 Cadmium & & & ND 0.0010 ND 0.0010 ND 0.0010 0.005 Chromium & & & ND 0.0100 ND 0.0100 ND 0.0100 0.1 Copper & & & ND 0.0020 ND 0.0020 0.0076 1.3 ** Iron & & & 0.018 0.010 0.019 0.010 ND [0.3] Lead & & & ND 0.0010 ND 0.010 ND 0.0010 0.015 ** Manganese & & & ND 0.0010 ND 0.010 ND 0.0010 [0.05] Mercury & & & ND 0.00040 ND 0.010 ND 0.00040 0.002 Nickel & & & ND 0.0010 ND 0.010 ND 0.0010 [0.10] Selenium & & & ND 0.0030 ND 0.010 ND 0.0030 0.05 Silver & & & ND 0.0100 ND 0.010 ND 0.0100 [0.1] Sodium & & & 28.5 28.1 33.3000 --- Thallium & & & ND 0.00040 ND 0.00040 ND 0.00040 0.002 Zinc & & & ND 0.0050 ND 0.0050 ND 0.0050 [5.0] SDWA MCL = Safe Drinking Water Act Maximum Contaminant Level SMCL = Secondary Maximum Contaminant Level standard recommended by TCEQ for aesthetic quality ** = Action Levels ND = Indicates levels are below detection limits of the instrumentation or method & = No data available col/100ml = Colonies per 100 milliliters mg/L = milligrams per liter

CONSTITUENT (mg/L)

Disinfection By Products, Collected On:

CONSTITUENT (mg/L)

CITY OF AUSTIN

3rd Quarter 2025

Average Results for Samples Collected July 1, 2025 to September 30, 2025

CONSTITUENT (mg/L)

Parameters listed below were collected and analyzed by TCEQ Contractors for compliance with the Safe Drinking Water Act.

WQS-Q1-2025
1st Quarter 2025
WQS-Q2-2025
2nd Quarter 2025
WQS-Q3-2025
3rd Quarter 2025

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