Water Quality in San Carlos, AZ (85550)

EPA violation data for public water systems serving ZIP code 85550.

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

5,696

Population

20

Water Systems

309

Violations (5yr)

39

Health-Based

Location

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Water Systems Serving This Area (20)

Consolidated-Deer Valley

Groundwater 20,100 people served
0 violations

Payson Town Of

All resolved
Groundwater 17,682 people served
3 violations (5yr) · All resolved
Lead tested: 3.5 ppb (limit: 15 ppb)

Scua Upper Seven Mile

11 health-based
Groundwater 8,478 people served
107 violations (5yr) · 11 health-based
Lead tested: 5 ppb (limit: 15 ppb)

Scua Gilson Wash

Groundwater 3,200 people served
0 violations

Scua Bylas

11 health-based
Groundwater 3,160 people served
56 violations (5yr) · 11 health-based
Lead tested: 5 ppb (limit: 15 ppb)

Scua Peridot Heights

Groundwater 2,700 people served
0 violations

Bia San Carlos

1 health-based
Groundwater 2,150 people served
16 violations (5yr) · 1 health-based
Lead tested: 9.4 ppb (limit: 15 ppb)

Apache Gold Casino

1 health-based
Groundwater 1,475 people served
1 violation (5yr) · 1 health-based
Lead tested: 5 ppb (limit: 15 ppb)

Scua Lower Peridot

5 health-based
Groundwater 702 people served
14 violations (5yr) · 5 health-based
Lead tested: 5 ppb (limit: 15 ppb)

Apache Burger Travel Center

1 health-based
Groundwater 650 people served
36 violations (5yr) · 1 health-based

San Carlos High School

All resolved
Groundwater 626 people served
15 violations (5yr) · All resolved
Lead tested: 7.4 ppb (limit: 15 ppb)

Scua Beverly Hills

1 health-based
Groundwater 612 people served
10 violations (5yr) · 1 health-based
Lead tested: 5 ppb (limit: 15 ppb)

Scua Cutter

Purchased groundwater 574 people served
23 violations (5yr)
Lead tested: 5 ppb (limit: 15 ppb)

Bia Point Of Pines

Groundwater 400 people served
0 violations

Apache Sky Casino

Purchased groundwater 400 people served
0 violations
Lead tested: 5 ppb (limit: 15 ppb)

Scua Lower Peridot Bush

6 health-based
Groundwater 342 people served
11 violations (5yr) · 6 health-based
Lead tested: 5 ppb (limit: 15 ppb)

Scua Upper Peridot

2 health-based
Groundwater 275 people served
9 violations (5yr) · 2 health-based
Lead tested: 5 ppb (limit: 15 ppb)

Scua Skill Center

Groundwater 234 people served
8 violations (5yr)
Lead tested: 5 ppb (limit: 15 ppb)

Scua Soda Canyon

Groundwater 185 people served
0 violations

Bia San Carlos Forestry

Groundwater 50 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

67 violations
Has active
Groundwater RuleHealth-Based
11 violations
Has active
Surface Water Treatment RuleHealth-Based
1 violation
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

40 violations
All resolved
Public NoticeMonitoring
30 violations
Has active
E. COLIMonitoring
13 violations
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
9 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

8 violations
All resolved
ArsenicMonitoring

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

5 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
5 violations
All resolved
TTHMMonitoring
5 violations
All resolved
NitrateMonitoring

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

5 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
3 violations
All resolved
Combined UraniumMonitoring
3 violations
All resolved
Combined Radium (-226 and -228)Monitoring
3 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
All resolved
StyreneMonitoring
2 violations
All resolved
1,2-DichloroethaneMonitoring
2 violations
All resolved
1,1,2-TrichloroethaneMonitoring
2 violations
All resolved
Carbon tetrachlorideMonitoring
2 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
2 violations
All resolved
TetrachloroethyleneMonitoring
2 violations
All resolved
1,1,1-TrichloroethaneMonitoring
2 violations
All resolved
BenzeneMonitoring
2 violations
All resolved
EthylbenzeneMonitoring
2 violations
All resolved
Vinyl chlorideMonitoring
2 violations
All resolved
1,2-DichloropropaneMonitoring
2 violations
All resolved
CHLOROBENZENEMonitoring
2 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
2 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
2 violations
All resolved
Xylenes, TotalMonitoring
2 violations
All resolved
1,1-DichloroethyleneMonitoring
2 violations
All resolved
p-DichlorobenzeneMonitoring
2 violations
All resolved
DICHLOROMETHANEMonitoring
2 violations
All resolved
TrichloroethyleneMonitoring
2 violations
All resolved
o-DichlorobenzeneMonitoring
2 violations
All resolved
TolueneMonitoring
2 violations
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
SimazineMonitoring
1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
2,4,5-TPMonitoring
1 violation
All resolved
Benzo(a)pyreneMonitoring
1 violation
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
1 violation
All resolved
HexachlorocyclopentadieneMonitoring
1 violation
All resolved
DinosebMonitoring
1 violation
All resolved
DiquatMonitoring
1 violation
All resolved
GlyphosateMonitoring
1 violation
All resolved
Di(2-ethylhexyl) adipateMonitoring
1 violation
All resolved
CarbofuranMonitoring
1 violation
All resolved
PentachlorophenolMonitoring
1 violation
All resolved
AtrazineMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
2,4-DMonitoring
1 violation
All resolved
EndothallMonitoring
1 violation
All resolved
PicloramMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
ToxapheneMonitoring
1 violation
All resolved
DalaponMonitoring
1 violation
All resolved
ChlordaneMonitoring
1 violation
All resolved
HEXACHLOROBENZENEMonitoring
1 violation
All resolved
2,3,7,8-TCDDMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
1 violation
All resolved
ETHYLENE DIBROMIDEMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
OXAMYLMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
3.5 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

San Carlos (85550) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 309.

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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