Aurora takes great pride in the quality of our drinking water. Our labs test more than 85,000 samples system-wide to ensure that the great tasting water we deliver to your house everyday meets and exceeds all state and federal regulatory standards. Every year, we provide a technical report on the results of our continuous laboratory testing.
Beer brewers and fish tank owners often need more information about our water than
the EPA requires us to report, so we've included some of it below. Hope it's helpful.
From 2024 Water Quality Report
|
Alkalinity
(as CaCO3)
|
ppm
|
|
N/A
|
79.8
|
46.8 to 122 |
daily
|
Water quality parameter
|
Aluminum
|
ppb |
|
50 to 200 |
34.4 |
2.96 to 60.0 |
quarterly |
Erosion of natural deposits and treatment chemicals |
|
Calcium
|
ppm
|
|
N/A
|
38.3
|
19.8 to 74.0 |
weekly
|
Erosion of natural deposits
|
|
Chloride
|
ppm
|
|
250
|
42.2
|
18 to 112 |
monthly
|
Erosion of natural deposits
|
|
Conductivity
|
µmhos/cm
|
|
N/A
|
536 |
201 to 886 |
weekly
|
Water quality parameter
|
| Total Dissolved Solids |
ppm |
|
500 |
228 |
122 to 417 |
monthly |
Water quality parameters |
|
Hardness
(as CaCO3)
|
ppm
|
|
N/A
|
113
|
56 to 154 |
daily
|
Erosion of natural deposits
|
|
Hardness-CA
(as CaCO3)
|
ppm
|
|
N/A
|
95.9
|
49.6 to 185 |
weekly
|
Erosion of natural deposits
|
Iron
|
ppb |
|
300 |
<10 |
<10 |
quarterly |
Erosion of natural deposits |
Manganese
|
ppb |
|
50 |
0.99 |
<0.5 to 2.79 |
quarterly |
Erosion of natural deposits |
|
pH
|
SU
|
|
6.5 to 8.5
|
8.1
|
8.0 to 8.3
|
daily
|
Water quality parameter
|
|
Sodium
|
ppm
|
|
10,000
|
37.2
|
18.6 to 91.6 |
yearly
|
Erosion of natural deposits
|
2025 Water Quality Report
Previous Aurora Water Quality Reports
2024 Water Quality Report
Informe de calidad del aqua 2024
2023 Water Quality Report
2022 Water Quality Report