Water Quality in Phoenix, AZ (85120)

EPA violation data for public water systems serving ZIP code 85120.

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

31,191

Population

13

Water Systems

250

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (13)

Phoenix City Of

All resolved
Surface water 1,695,000 people served
2 violations (5yr) · All resolved
Lead tested: 2.74 ppb (limit: 15 ppb)

Mesa City Of

All resolved
Surface water 466,000 people served
25 violations (5yr) · All resolved
Lead tested: 5.01 ppb (limit: 15 ppb)

Gilbert, Town Of

All resolved
Surface water 247,600 people served
77 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Chandler City Of

All resolved
Surface water 247,328 people served
77 violations (5yr) · All resolved

Scottsdale City Of

All resolved
Surface water 241,361 people served
4 violations (5yr) · All resolved

Glendale City Of

All resolved
Surface water 234,766 people served
3 violations (5yr) · All resolved
Lead tested: 1.55 ppb (limit: 15 ppb)

Peoria City Of

All resolved
Surface water 187,676 people served
7 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Tempe City Of

Surface water 165,000 people served
0 violations
Lead tested: 4.4 ppb (limit: 15 ppb)

Arizona Water Co - Pinal Valley

Groundwater 134,432 people served
2 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Epcor - San Tan

All resolved
Groundwater 87,435 people served
31 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Gw Santa Cruz Water Co

1 health-based
Groundwater 84,000 people served
19 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Arizona Water Co - Apache Junction

Groundwater 62,055 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Highlander Hills Estates

Groundwater 120 people served
3 violations (5yr)
Lead tested: 2.21 ppb (limit: 15 ppb)

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

6 violations
All resolved
CARBON, TOTALMonitoring
10 violations
All resolved
NitrateMonitoring

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

9 violations
All resolved
ArsenicMonitoring

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

8 violations
All resolved
Surface Water Treatment RuleMonitoring
7 violations
All resolved
p-DichlorobenzeneMonitoring
6 violations
All resolved
Carbon tetrachlorideMonitoring
6 violations
All resolved
DICHLOROMETHANEMonitoring
6 violations
All resolved
TolueneMonitoring
6 violations
All resolved
TetrachloroethyleneMonitoring
6 violations
All resolved
Xylenes, TotalMonitoring
6 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
6 violations
All resolved
1,1,2-TrichloroethaneMonitoring
6 violations
All resolved
1,1-DichloroethyleneMonitoring
6 violations
All resolved
EthylbenzeneMonitoring
6 violations
All resolved
1,2-DichloropropaneMonitoring
6 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
6 violations
All resolved
TrichloroethyleneMonitoring
6 violations
All resolved
StyreneMonitoring
6 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
6 violations
All resolved
1,1,1-TrichloroethaneMonitoring
6 violations
All resolved
o-DichlorobenzeneMonitoring
6 violations
All resolved
BenzeneMonitoring
6 violations
All resolved
CHLOROBENZENEMonitoring
6 violations
All resolved
1,2-DichloroethaneMonitoring
6 violations
All resolved
Vinyl chlorideMonitoring
5 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
5 violations
All resolved
TTHMMonitoring
4 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

4 violations
All resolved
BromateMonitoring
3 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
3 violations
All resolved
Combined Radium (-226 and -228)Monitoring
3 violations
All resolved
Radium-228Monitoring
3 violations
All resolved
Radium-226Monitoring
3 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
3 violations
All resolved
Combined UraniumMonitoring
2 violations
All resolved
Long Term 2 Enhanced Surface Water Treatment RuleMonitoring
2 violations
All resolved
E. COLIMonitoring
2 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
Has active
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
Public NoticeMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.55 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Phoenix (85120) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 250.

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.

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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