Water Quality in Tucson, AZ (85754)

EPA violation data for public water systems serving ZIP code 85754.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

48

Water Systems

278

Violations (5yr)

27

Health-Based

Location

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Water Systems Serving This Area (48)

University Of Arizona

All resolved
Groundwater 50,000 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Ray Water Company Inc

All resolved
Groundwater 4,495 people served
4 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Spanish Trail Water Company

All resolved
Groundwater 3,822 people served
6 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Saguaro Water Company

All resolved
Groundwater 3,243 people served
1 violation (5yr) · All resolved
Lead tested: 8.1 ppb (limit: 15 ppb)

Voyager Water Company

All resolved
Groundwater 3,209 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Goodman Water Company

All resolved
Groundwater 2,656 people served
5 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Valle Verde Water Company - East

All resolved
Groundwater 2,331 people served
46 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Southland Utilities - Golden Acres

3 health-based
Groundwater 1,614 people served
4 violations (5yr) · 3 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Cedar Grove Water Company

All resolved
Groundwater 1,564 people served
4 violations (5yr) · All resolved

Lord Az Water 2 - Winchester Trails

Groundwater 1,304 people served
9 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Watco Water

1 health-based
Groundwater 1,153 people served
8 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Chaparral Water Company

Groundwater 963 people served
0 violations

Brooke Water Llc - Circle City Wc

All resolved
Groundwater 815 people served
3 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Greenehaven Water Company

Groundwater 807 people served
7 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Lakewood Estates Water Company

All resolved
Groundwater 722 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

La Casita Water Company 3

All resolved
Groundwater 605 people served
2 violations (5yr) · All resolved

Anway Manville Water Company

All resolved
Groundwater 576 people served
4 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Bowie Wid

1 health-based
Groundwater 489 people served
1 violation (5yr) · 1 health-based

Thim Utility Company 2

Groundwater 445 people served
3 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Park Water Company Inc

2 health-based
Groundwater 416 people served
6 violations (5yr) · 2 health-based
Lead tested: 12 ppb (limit: 15 ppb)

Thim Utility Corporation - Vfw

Groundwater 413 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Lazy C Water Service

All resolved
Groundwater 359 people served
6 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Salome Water Company

2 health-based
Groundwater 317 people served
5 violations (5yr) · 2 health-based

Thim Utility Company

Groundwater 310 people served
0 violations
Lead tested: 3.6 ppb (limit: 15 ppb)

Dragoon Water Company

All resolved
Groundwater 283 people served
2 violations (5yr) · All resolved

Tierra Linda Hoa Water Company

1 health-based
Groundwater 266 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 8 ppb (limit: 15 ppb)

La Casita Water Company 2

All resolved
Groundwater 261 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Thim Utility Company - Well 9

Groundwater 254 people served
2 violations (5yr)
Lead tested: 3 ppb (limit: 15 ppb)

Thim Water Company 2

All resolved
Groundwater 247 people served
1 violation (5yr) · All resolved
Lead tested: 11 ppb (limit: 15 ppb)

Halcyon Acres Water Users Association

All resolved
Groundwater 215 people served
1 violation (5yr) · All resolved

Cibola Water Improvement District

9 health-based
Surface water 197 people served
81 violations (5yr) · 9 health-based
Lead tested: 0 ppb (limit: 15 ppb)

La Casita Water Company 1

Groundwater 174 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Sonoita Valley (South) Water Company

1 health-based
Groundwater 169 people served
19 violations (5yr) · 1 health-based
Lead tested: 8 ppb (limit: 15 ppb)

Halcyon Acres 2

Groundwater 164 people served
0 violations

A Petersen Water Company

Groundwater 160 people served
4 violations (5yr)

Wildflower Water Coop

All resolved
Groundwater 157 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Cloud Nine Water Company

2 health-based
Groundwater 143 people served
4 violations (5yr) · 2 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Thim Utility Company - Rancho Vista

All resolved
Groundwater 105 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Wells Fargo Water Company

All resolved
Groundwater 83 people served
1 violation (5yr) · All resolved

Canyon Vista Estates

1 health-based
Groundwater 75 people served
11 violations (5yr) · 1 health-based
Lead tested: 0.9 ppb (limit: 15 ppb)

Valle Verde Water Company - West

All resolved
Groundwater 74 people served
4 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Desert Sky Dwid

3 health-based
Groundwater 70 people served
7 violations (5yr) · 3 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Thim Utility Company - Parkin

1 health-based
Groundwater 69 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Vernon Valley Water System

All resolved
Groundwater 54 people served
2 violations (5yr) · All resolved

Sonoita Valley (North) Water Company

Groundwater 49 people served
0 violations

Palominas Water Sewer Co

All resolved
Groundwater 27 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Indiada Water Company

Groundwater 0
0 violations

Sonoita Water Utility

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

48 violations
All resolved
Lead and Copper RuleHealth-Based

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

30 violations
Has active
TTHMHealth-Based
22 violations
Has active
Interim Enhanced Surface Water Treatment RuleHealth-Based
14 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
8 violations
Has active
Groundwater RuleHealth-Based
5 violations
Has active
ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

4 violations
Has active
FluorideHealth-Based
1 violation
Has active
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

24 violations
All resolved
Public NoticeMonitoring
23 violations
Has active
Surface Water Treatment RuleMonitoring
15 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
12 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

8 violations
Has active
Gross Alpha, Excl. Radon and UMonitoring
6 violations
All resolved
Combined UraniumMonitoring
6 violations
All resolved
E. COLIMonitoring
3 violations
All resolved
Xylenes, TotalMonitoring
2 violations
All resolved
1,2-DichloropropaneMonitoring
2 violations
All resolved
DICHLOROMETHANEMonitoring
2 violations
All resolved
EthylbenzeneMonitoring
2 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
2 violations
All resolved
TrichloroethyleneMonitoring
2 violations
All resolved
Carbon tetrachlorideMonitoring
2 violations
All resolved
1,1-DichloroethyleneMonitoring
2 violations
All resolved
o-DichlorobenzeneMonitoring
2 violations
All resolved
1,1,2-TrichloroethaneMonitoring
2 violations
All resolved
1,1,1-TrichloroethaneMonitoring
2 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
2 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
2 violations
All resolved
TolueneMonitoring
2 violations
All resolved
BenzeneMonitoring
2 violations
All resolved
StyreneMonitoring
2 violations
All resolved
p-DichlorobenzeneMonitoring
2 violations
All resolved
TetrachloroethyleneMonitoring
2 violations
All resolved
1,2-DichloroethaneMonitoring
2 violations
All resolved
Vinyl chlorideMonitoring
2 violations
All resolved
CHLOROBENZENEMonitoring
2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Tucson (85754) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 278.

Fewer violations 99th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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