1
YOUR WATER • CLEAN .CLEAR . SECURE
To ensure your tap water is safe, clean and secure, Tucson Water conducts approximately 14,500 individual tests each year on the water in the main distribution system – before it reaches your home. Test results for key parameters are reported by 10 water quality zones for a water distribution system that covers some 375 square miles.
October 2017
Main Water System
Oracle R
d
Speedway Blvd
6th Ave
Ajo Hwy
No
gales
Hw
y
Alverno
n Way
River Rd
Golf Links Rd
Wilm
ot R
d
Sto
ne Ave
Ajo Way
�
Mis
sion
Rd
Kinney Rd
San Joaquin RdS
andario
Rd Speedway Blvd
Grant Rd
Broadway BlvdBarazza-
Aviation Pkwy
Tanque Verde Rd
Irvington Rd
Valencia Rd
Wilm
ot R
d
Ho
ughto
n Rd
Old Spanish Trail
Cm
o d
eO
este
Ina Rd
OrangeGrove Rd
Sunrise Dr
Cam
pb
ell Ave
1st Ave
Tho
rnydale R
d
Tangerine Rd
Moore Rd
DoveMountain
Blvd
Avra Valley Rd
Twin Peaks Rd
Silverbell Rd
Catalina Hwy
Sabi
noC
anyo
n R
d
Valencia Rd
Benson Hwy
Sw
an Rd
Ko
lb R
d
Water in theseareas is supplied
by independentwater companies.
Santa
Catalina
Mountains
Tucson
Mountains
San Xavier
Indian
Reservation
Saguaro
National
ParkDAVIS
MONTHANAIR FOR CE BASE
1
1
10 9
2
3
8
54
6
6789
10
12345
Water Quality Zones
3
710
10
9
86
10
77
10
19
2
Test Results by Water Quality Zone
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
1
2
3
4
5
6
7
8
9
10
Avg
Zones Sodium (mg/L*) 77 SP
62
65
58
63
60
54
49
61
66
67
60
Nitrate-N (mg/L*) 77 SP
1.14
0.99
1.18
0.99
1.21
1.59
1.53
1.57
1.11
1.00
1.24
Hardness (mg/L*) 77 SP
215
230
197
222
216
194
188
239
238
218
214
Fluoride(mg/L*) 77 SP
0.47
0.48
0.44
0.42
0.43
0.39
0.38
0.47
0.45
0.36
0.43
pH Level(S.U.) 247 SP
7.9
7.8
7.8
7.7
7.7
7.7
7.8
7.6
7.6
7.7
7.7
Temperature (deg°F) 247 SP
85.4
84.6
85.1
84.8
82.6
83.4
85.4
84.0
84.0
83.8
84.2
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average 247 samples–0.9 mg/L
CHLORINETOTAL COLIFORM & E. COLI
YOUR WATER • CLEAN .CLEAR . SECURE
To ensure your tap water is safe, clean and secure, Tucson Water conducts approximately 14,500 individual tests each year on the water in the main distribution system – before it reaches your home. Test results for key parameters are reported by 10 water quality zones for a water distribution system that covers some 375 square miles.
October 2017
Main Water System
Minerals(mg/L*) 247 SP
384
481
447
434
406
422
414
486
495
474
443
EPA standards for Total Coliformand E. coli
0
0no
Total Coliform positive samples/mo. – 247 samples
E. coli positive samples/mo. – 247 samples
Follow-up assessment required?
3
Corona de Tucson is a community located near Sahuarita and Houghton Roads, with about 2,600 connections supplying about 7,300 persons with water from three wells.
Catalina is a community partially served by Tucson Water. It has about 400 connections, supplying water to about 1,000 persons with water from two wells.
Catalina Water System
YOUR WATER • CLEAN .CLEAR . SECURE
�
STALLION LNWASH
BIG
PINAL COUNTY
PIMACOUNTY
OR
AC
LE R
D
FOR
EC
AS
TL
E A
VE
77
EDWIN RD
EDWIN RD
EAGLE CRESTRANCH BLVD
PINAL ST
PALOMINOLN
PINTOLN
EL
KIN
S R
D
MAINSAIL BLVD T
WIN
LA
KE
S D
R
Ground Water Well
Tucson Water also monitors water quality at 9 separate and distinct community systems served solely by local groundwater wells – not from the main water distribution system. Hundreds of individual tests are conducted each year on these community distribution systems to ensure well water is clean, safe and secure.
October 2017
Corona de Tucson Water System
SAHUARITA RD
HO
UG
HT
ON
RD
�
CMO DELTORO
PIMA MINE RANCH RD
TEST RESULTS from up to 2 Sample Points (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA standards for Total Coliform and E. coli
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average
2 samples–1.1 mg/L
CHLORINE
TOTAL COLIFORM & E. COLI0
0
TEST RESULTS from up to 9 Sample Points (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average
9 samples–0.9 mg/L
CHLORINEno
EPA standards for Total Coliform and E. coli
Total Coliform positive samples/mo. – 9 samples
E. coli positive samples/mo. – 9 samples
Follow-up assessment required?
TOTAL COLIFORM & E. COLI0
0no
Total Coliform positive samples/mo. – 2 samples
E. coli positive samples/mo. – 2 samples
Follow-up assessment required?
Sodium (mg/L*) 9 SP
Nitrate-N (mg/L*) 9 SP
Hardness(mg/L*) 9 SP
pH Level(S.U.) 9 SP
Temperature (deg°F) 9 SP
Fluoride (mg/L*) 9 SP
Minerals (mg/L*) 9 SP
30746 1.39151 7.6 85.90.51Sodium
(mg/L*) 1 SPNitrate-N (mg/L*) 1 SP
Hardness(mg/L*) 1 SP
pH Level(S.U.) 2 SP
Temperature (deg°F) 2 SP
31 3.55103 8.1 82.8
Fluoride (mg/L*) 1 SP
0.53
Minerals (mg/L*) 2 SP
195
4
Rancho del Sol Lindo is a community located southwest of Silverbell Road and North Trico Road. Rancho del Sol Lindo has about 1,000 connections, supplying about 2,700 persons with water from two wells.
Diamond Bell is a community located south and east of Sasabe Road and Diamond Bell Ranch Road respectively,
with about 200 connections supplying about 570 persons with water from two wells.
Diamond Bell Water System
YOUR WATER • CLEAN .CLEAR . SECURE
�DIAMOND BELL
STAGECOACHRD
RANCH RDFANNIN RD
LYNNETTE RD
SH
AW
RD
SASABE
RD
Tucson Water also monitors water quality at 9 separate and distinct community systems served solely by local groundwater wells – not from the main water distribution system. Hundreds of individual tests are conducted each year on these community distribution systems to ensure well water is clean, safe and secure.
October 2017
Rancho del Sol Lindo & White Fence Farms Water System
�
SILVERBELL
RD
LAMBERT LN
EL TIRO RD
TR
ICO
RD
DE
RR
ING
ER
RD
PU
MP
STA
TIO
N R
DAVRA VALLEY RD
TEST RESULTS from 1 Sample Point (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average
1 sample–0.8 mg/L
CHLORINE
TEST RESULTS from up to 3 Sample Points (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average
3 samples–1.1 mg/L
CHLORINE
EPA standards for Total Coliform and E. coli
TOTAL COLIFORM & E. COLI0
0no
EPA standards for Total Coliform and E. coli
TOTAL COLIFORM & E. COLI0
0no
Total Coliform positive samples/mo. – 3 samples
E. coli positive samples/mo. – 3 samples
Follow-up assessment required?
Total Coliform positive samples/mo. – 1 sample
E. coli positive samples/mo. – 1 sample
Follow-up assessment required?
Sodium (mg/L*) 1 SP
Nitrate-N (mg/L*) 1 SP
Hardness(mg/L*) 1 SP
pH Level(S.U.) 1 SP
Temperature (deg°F) 1 SP
Fluoride (mg/L*) 1 SP
Minerals (mg/L*) 1 SP
21730 1.54113 7.7 88.20.31Sodium
(mg/L*) 1 SPNitrate-N (mg/L*) 1 SP
Hardness(mg/L*) 1 SP
pH Level(S.U.) 3 SP
Temperature (deg°F) 3 SP
Fluoride (mg/L*) 1 SP
Minerals (mg/L*) 3 SP
30245 4.68180 7.7 85.40.54
5
This is a small community by the Three Points area, with 30 connections supplying approximately 75 people from one well.
Sierrita Foothills Water System
YOUR WATER • CLEAN .CLEAR . SECURE
Tucson Water also monitors water quality at 9 separate and distinct community systems served solely by local groundwater wells – not from the main water distribution system. Hundreds of individual tests are conducted each year on these community distribution systems to ensure well water is clean, safe and secure.
October 2017
Silverbell West Water System
CHIN
A DRAW
SILVERBELL RD
SANTA CRUZ RIVER
MARAN
ATOW
N LIM
ITS
LOS ROBLES WASH
�
SA
ND
ER
S R
D
�SCOTLAND ST
STANFORDRD
HUNT RD
WE
LL
S FA
RG
O R
D
CH
ER
OK
EE
LN
SIE
RR
ITA M
OU
NTA
INR
DPARKIN LN
Sample Point
TEST RESULTS from 1 Sample Point (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average
1 sample–0.8 mg/L
CHLORINE
TEST RESULTS from 1 Sample Point (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
CHLORINE
Actual Average
1 sample–1.2 mg/L
EPA standards for Total Coliform and E. coli
TOTAL COLIFORM & E. COLI0
0no
EPA standards for Total Coliform and E. coli
TOTAL COLIFORM & E. COLI0
0no
Total Coliform positive samples/mo. – 1 sample
E. coli positive samples/mo. – 1 sample
Follow-up assessment required?
Total Coliform positive samples/mo. – 1 sample
E. coli positive samples/mo. – 1 sample
Follow-up assessment required?
Sodium (mg/L*) 1 SP
Nitrate-N (mg/L*) 1 SP
Hardness(mg/L*) 1 SP
pH Level(S.U.) 1 SP
Temperature (deg°F) 1 SP
Fluoride (mg/L*) 1 SP
Minerals (mg/L*) 1 SP
21937 1.6892 7.8 86.70.55
Sodium (mg/L*) 1 SP
Nitrate-N (mg/L*) 1 SP
Hardness(mg/L*) 1 SP
pH Level(S.U.) 1 SP
Temperature (deg°F) 1 SP
Fluoride (mg/L*) 1 SP
Minerals (mg/L*) 1 SP
60585 2.73296 7.5 83.80.53
The Silverbell West system has 83 connections serving approximately 230 people from one well.
6
Thunderhead Ranch is a small subdivision west of Old Spanish Trail and about one and a half miles south of Irvington Road. It has about 57 connections supplying about 160 persons with water from two wells.
YOUR WATER • CLEAN .CLEAR . SECURE
Tucson Water also monitors water quality at 9 separate and distinct community systems served solely by local groundwater wells – not from the main water distribution system. Hundreds of individual tests are conducted each year on these community distribution systems to ensure well water is clean, safe and secure.
October 2017
Thunderhead Ranch Water System
TUCS
ON C
ITY
LIM
ITS �
SP
AN
ISH
THUNDERHEAD RANCH RDHILLCREST CIR
RINCON WASH
PANTANO WASH
OLD
TRAILPOOR
MAN RD
TEST RESULTS from 1 Sample Point (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average
1 sample–0.8 mg/L
CHLORINE
The Police-Fire Academy, located south of Interstate 10 and east of Wilmot Road, was built in the late 1990s. One well supplies about 25 persons regularly, plus class members taught at this facility.
Tucson Police-Fire Academy Water System
�OLD VAIL RD
WILM
OT R
D
To I-10
NOGALES OLD VAILCONNECTION RD
TEST RESULTS from 1 Sample Point (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average
1 sample–0.8 mg/L
CHLORINE
EPA standards for Total Coliform and E. coli
TOTAL COLIFORM & E. COLI0
0no
EPA standards for Total Coliform and E. coli
TOTAL COLIFORM & E. COLI0
0no
Total Coliform positive samples/mo. – 1 sample
E. coli positive samples/mo. – 1 sample
Follow-up assessment required?
Total Coliform positive samples/mo. – 1 sample
E. coli positive samples/mo. – 1 sample
Follow-up assessment required?
Sodium (mg/L*) 1 SP
Nitrate-N (mg/L*) 1 SP
Hardness(mg/L*) 1 SP
pH Level(S.U.) 1 SP
Temperature (deg°F) 1 SP
Fluoride (mg/L*) 1 SP
Minerals (mg/L*) 1 SP
14814 1.1487 7.7 83.80.19
Sodium (mg/L*) 1 SP
Nitrate-N (mg/L*) 1 SP
Hardness(mg/L*) 1 SP
pH Level(S.U.) 1 SP
Temperature (deg°F) 1 SP
Fluoride (mg/L*) 1 SP
Minerals (mg/L*) 1 SP
35542 0.79203 7.5 76.80.33
7
Valley View Acres is a small community located north of Hilltop Road, just west of Sandario Road, with about 150 connections supplying about 470 people with water from two wells.
Tucson Water also monitors water quality at 9 separate and distinct community systems served solely by local groundwater wells – not from the main water distribution system. Hundreds of individual tests are conducted each year on these community distribution systems to ensure well water is clean, safe and secure.
October 2017
Valley View Acres Water System
HILLTOP RD
CASTLE DR
SAN
DA
RIO
RD
RIV
IER
A D
R
SIE
RR
ITA
MO
UN
TAIN
RD � To SR 86
TEST RESULTS from 1 Sample Point (SP)
* mg/L means milligrams per liter 1 mg/L = 1 teaspoon in 1,302 gallons S.U. = Sample Units SP = Sample Points deg°F = Degrees Fahrenheit
EPA Standard Max. 4.0 mg/L
Tucson Water target average0.8 to 1.2 mg/L
Actual Average
1 sample–0.7 mg/L
CHLORINE
EPA standards for Total Coliform and E. coli
TOTAL COLIFORM & E. COLI0
0no
YOUR WATER • CLEAN .CLEAR . SECURE
Total Coliform positive samples/mo. – 1 sample
E. coli positive samples/mo. – 1 sample
Follow-up assessment required?
Sodium (mg/L*) 1 SP
Nitrate-N (mg/L*) 1 SP
Hardness(mg/L*) 1 SP
pH Level(S.U.) 1 SP
Temperature (deg°F) 1 SP
Fluoride (mg/L*) 1 SP
Minerals (mg/L*) 1 SP
26946 1.72117 7.3 83.30.60