Water Quality in Moses Lake, WA (99349)

EPA violation data for public water systems serving ZIP code 99349.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 94 monitoring/reporting violations.

More violations than 96% of US ZIP codes.

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

8,143

Population

11

Water Systems

95

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (11)

Moses Lake City Of

All resolved
Groundwater 32,428 people served
42 violations (5yr) · All resolved

Gorge Amphitheatre

Groundwater 25,015 people served
0 violations

Mattawa City Of

1 health-based
Groundwater 5,015 people served
2 violations (5yr) · 1 health-based · All resolved

Royal City Water

All resolved
Groundwater 3,389 people served
1 violation (5yr) · All resolved

Desert Aire Owner Assn

Groundwater 2,856 people served
0 violations

Green Acres Orchard

Groundwater 308 people served
0 violations

Sentinel Gap Water Assn

All resolved
Groundwater 226 people served
3 violations (5yr) · All resolved

Beverly Water District

All resolved
Groundwater 120 people served
4 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Port Of Mattawa - Ind Parks 2 & 4

All resolved
Groundwater 110 people served
43 violations (5yr) · All resolved
Lead tested: 0.6 ppb (limit: 15 ppb)

Wahluke School District 73

Groundwater 50 people served
0 violations

Leon/Merkle

Groundwater 7 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

8 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

4 violations
All resolved
TolueneMonitoring
3 violations
All resolved
1,1,1-TrichloroethaneMonitoring
3 violations
All resolved
Carbon tetrachlorideMonitoring
3 violations
All resolved
p-DichlorobenzeneMonitoring
3 violations
All resolved
1,2-DichloropropaneMonitoring
3 violations
All resolved
o-DichlorobenzeneMonitoring
3 violations
All resolved
BenzeneMonitoring
3 violations
All resolved
CHLOROBENZENEMonitoring
3 violations
All resolved
StyreneMonitoring
3 violations
All resolved
EthylbenzeneMonitoring
3 violations
All resolved
1,2-DichloroethaneMonitoring
3 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
3 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
3 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
3 violations
All resolved
1,1-DichloroethyleneMonitoring
3 violations
All resolved
Vinyl chlorideMonitoring
3 violations
All resolved
DICHLOROMETHANEMonitoring
3 violations
All resolved
TetrachloroethyleneMonitoring
3 violations
All resolved
TrichloroethyleneMonitoring
3 violations
All resolved
1,1,2-TrichloroethaneMonitoring
3 violations
All resolved
FluorideMonitoring
1 violation
All resolved
NitrateMonitoring

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

1 violation
All resolved
2,4,5-TPMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
DalaponMonitoring
1 violation
All resolved
SimazineMonitoring
1 violation
All resolved
Di(2-ethylhexyl) adipateMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
ChlordaneMonitoring
1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
PicloramMonitoring
1 violation
All resolved
Benzo(a)pyreneMonitoring
1 violation
All resolved
PentachlorophenolMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
HexachlorocyclopentadieneMonitoring
1 violation
All resolved
HEXACHLOROBENZENEMonitoring
1 violation
All resolved
ToxapheneMonitoring
1 violation
All resolved
DinosebMonitoring
1 violation
All resolved
AtrazineMonitoring
1 violation
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0.6 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

Moses Lake (99349) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 95.

Fewer violations 96th 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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