Water Quality in Saint Marys, AK (99658)

EPA violation data for public water systems serving ZIP code 99658.

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

979

Population

4

Water Systems

180

Violations (5yr)

4

Health-Based

Location

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Water Systems Serving This Area (4)

St. Marys Water System

2 health-based
Surface water 548 people served
50 violations (5yr) · 2 health-based
Lead tested: 0 ppb (limit: 15 ppb) ✓ Copper tested: 2024 ppb (limit: 1300 ppb)

Pitka'S Point Piped Water System

2 health-based
Groundwater 109 people served
130 violations (5yr) · 2 health-based

Markair - St. Marys Terminal

Purchased surface water 75 people served
0 violations

Pitkas Point Old Washeteria Water System

Groundwater under influence of surface water 0
0 violations

Contaminants Found

Interim Enhanced Surface Water Treatment RuleHealth-Based
22 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

20 violations
Has active
Surface Water Treatment RuleHealth-Based
2 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

15 violations
All resolved
Lead and Copper RuleMonitoring

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

8 violations
Has active
Total Haloacetic Acids (HAA5)Monitoring
7 violations
All resolved
TTHMMonitoring
6 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
All resolved
LASSOMonitoring
3 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
3 violations
All resolved
EndrinMonitoring
3 violations
All resolved
2,4-DMonitoring
3 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
3 violations
All resolved
2,3,7,8-TCDDMonitoring
3 violations
All resolved
ToxapheneMonitoring
3 violations
All resolved
MethoxychlorMonitoring
3 violations
All resolved
Benzo(a)pyreneMonitoring
3 violations
All resolved
PentachlorophenolMonitoring
3 violations
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
3 violations
All resolved
OXAMYLMonitoring
3 violations
All resolved
HEXACHLOROBENZENEMonitoring
3 violations
All resolved
CarbofuranMonitoring
3 violations
All resolved
Heptachlor epoxideMonitoring
3 violations
All resolved
AtrazineMonitoring
3 violations
All resolved
DiquatMonitoring
3 violations
All resolved
PicloramMonitoring
3 violations
All resolved
SimazineMonitoring
3 violations
All resolved
ChlordaneMonitoring
3 violations
All resolved
HeptachlorMonitoring
3 violations
All resolved
DinosebMonitoring
3 violations
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
3 violations
All resolved
2,4,5-TPMonitoring
3 violations
All resolved
DalaponMonitoring
3 violations
All resolved
GlyphosateMonitoring
3 violations
All resolved
EndothallMonitoring
3 violations
All resolved
BHC-GAMMAMonitoring
3 violations
All resolved
HexachlorocyclopentadieneMonitoring
3 violations
All resolved
ETHYLENE DIBROMIDEMonitoring
3 violations
All resolved
NitrateMonitoring

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

2 violations
All resolved
Groundwater RuleMonitoring
1 violation
All resolved
E. COLIMonitoring
1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jul 2023

Copper (Cu)

Exceeds limit
2024 ppb measured Action level: 1300 ppb

Sampled: Jul 2023

How Does This Compare?

Saint Marys (99658) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 180.

Fewer violations 98th 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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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