Water Quality in Pablo, MT (59855)
EPA violation data for public water systems serving ZIP code 59855.
Active Health Violations
4 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 99% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
419
Population
29
Water Systems
237
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (29)
Pablo Lake County Water And Sewer Dist
2 health-based Groundwater 2,175 people served
4 violations (5yr)
· 2 health-based · All resolved
Bison Range
Groundwater 915 people served
0 violations
Blue Bay Campground
Groundwater 402 people served
0 violations
St Ignatius (Mission) So.Side
All resolved Groundwater 356 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Pache Water System
All resolved Groundwater 250 people served
1 violation (5yr)
· All resolved
Turtle Lake Water System
1 health-based Groundwater 225 people served
2 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Gray Wolf Casino
Groundwater 223 people served
3 violations (5yr)
Lead tested: 10 ppb (limit: 15 ppb) ✓
Dixon, Town Of
All resolved Groundwater 216 people served
1 violation (5yr)
· All resolved
Elmo Water System
All resolved Groundwater 210 people served
1 violation (5yr)
· All resolved
Lead tested: 4 ppb (limit: 15 ppb) ✓
S&K Electronics
All resolved Groundwater 151 people served
55 violations (5yr)
· All resolved
Lead tested: 10 ppb (limit: 15 ppb) ✓
Plum Creek Manufacturing Pablo
Groundwater 140 people served
0 violations
Arlee
All resolved Groundwater 124 people served
2 violations (5yr)
· All resolved
Lead tested: 5 ppb (limit: 15 ppb) ✓
Woodcock Water System
All resolved Groundwater 101 people served
2 violations (5yr)
· All resolved
Lead tested: 5 ppb (limit: 15 ppb) ✓
Mission Dam Water System
All resolved Groundwater 87 people served
2 violations (5yr)
· All resolved
Lead tested: 2 ppb (limit: 15 ppb) ✓
Schley Water System
Groundwater 85 people served
2 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb) ✓
S&K Housing Authority
All resolved Groundwater 75 people served
2 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Dixon (Old Agency)
All resolved Groundwater 72 people served
1 violation (5yr)
· All resolved
Lead tested: 10 ppb (limit: 15 ppb) ✓
Chief Martin Charlo Homesite
All resolved Groundwater 66 people served
1 violation (5yr)
· All resolved
Big Arm Water System
All resolved Groundwater 66 people served
1 violation (5yr)
· All resolved
Cskt Division Of Fire Management
Groundwater 60 people served
147 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb) ✓
Kicking Horse Job Corps
All resolved Groundwater 54 people served
3 violations (5yr)
· All resolved
Nicks Campground
Groundwater 50 people served
0 violations
Mission View Trailer Court
Groundwater 50 people served
0 violations
Evaro Water System
All resolved Groundwater 40 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Houle Villa Water System
All resolved Groundwater 38 people served
2 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Conf. Salish-Kootenai Office
Groundwater 35 people served
0 violations
Clarice Paul Water System
All resolved Groundwater 35 people served
1 violation (5yr)
· All resolved
Gray Wolf Village
1 health-based Groundwater 32 people served
1 violation (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Dayton Water System
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Contaminants Found
Revised Total Coliform RuleHealth-Based
Missed testing deadlines — not a detection of bacteria.
4 violations
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
20 violations
Has active
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
5 violations
All resolved
EndothallMonitoring
4 violations
All resolved
ETHYLENE DIBROMIDEMonitoring
4 violations
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
4 violations
All resolved
DiquatMonitoring
4 violations
All resolved
GlyphosateMonitoring
4 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
4 violations
All resolved
AsbestosMonitoring
4 violations
All resolved
1,1,1-TrichloroethaneMonitoring
3 violations
All resolved
TrichloroethyleneMonitoring
3 violations
All resolved
1,1,2-TrichloroethaneMonitoring
3 violations
All resolved
EndrinMonitoring
3 violations
All resolved
1,2-DichloroethaneMonitoring
3 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
3 violations
All resolved
HexachlorocyclopentadieneMonitoring
3 violations
All resolved
p-DichlorobenzeneMonitoring
3 violations
All resolved
DalaponMonitoring
3 violations
All resolved
HeptachlorMonitoring
3 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
3 violations
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
3 violations
All resolved
Xylenes, TotalMonitoring
3 violations
All resolved
ToxapheneMonitoring
3 violations
All resolved
Heptachlor epoxideMonitoring
3 violations
All resolved
Benzo(a)pyreneMonitoring
3 violations
All resolved
Carbon tetrachlorideMonitoring
3 violations
All resolved
DICHLOROMETHANEMonitoring
3 violations
All resolved
1,2-DichloropropaneMonitoring
3 violations
All resolved
TolueneMonitoring
3 violations
All resolved
BHC-GAMMAMonitoring
3 violations
All resolved
MethoxychlorMonitoring
3 violations
All resolved
2,4,5-TPMonitoring
3 violations
All resolved
Vinyl chlorideMonitoring
3 violations
All resolved
CarbofuranMonitoring
3 violations
All resolved
AtrazineMonitoring
3 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
3 violations
All resolved
CHLOROBENZENEMonitoring
3 violations
All resolved
SimazineMonitoring
3 violations
All resolved
PicloramMonitoring
3 violations
All resolved
PentachlorophenolMonitoring
3 violations
All resolved
ChlordaneMonitoring
3 violations
All resolved
DinosebMonitoring
3 violations
All resolved
2,4-DMonitoring
3 violations
All resolved
1,1-DichloroethyleneMonitoring
3 violations
All resolved
TetrachloroethyleneMonitoring
3 violations
All resolved
o-DichlorobenzeneMonitoring
3 violations
All resolved
OXAMYLMonitoring
3 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
3 violations
All resolved
HEXACHLOROBENZENEMonitoring
3 violations
All resolved
StyreneMonitoring
3 violations
All resolved
BenzeneMonitoring
3 violations
All resolved
LASSOMonitoring
3 violations
All resolved
EthylbenzeneMonitoring
3 violations
All resolved
Combined Radium (-226 and -228)Monitoring
3 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
3 violations
All resolved
Combined UraniumMonitoring
3 violations
All resolved
Radium-228Monitoring
3 violations
All resolved
Radium-226Monitoring
3 violations
All resolved
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
2 violations
All resolved
NickelMonitoring
2 violations
All resolved
MercuryMonitoring
2 violations
All resolved
Thallium, TotalMonitoring
2 violations
All resolved
BariumMonitoring
2 violations
All resolved
Beryllium, TotalMonitoring
2 violations
All resolved
FluorideMonitoring
2 violations
All resolved
CadmiumMonitoring
2 violations
All resolved
SeleniumMonitoring
2 violations
All resolved
NitriteMonitoring
Similar to nitrate — harmful to infants at high levels.
2 violations
All resolved
Antimony, TotalMonitoring
2 violations
All resolved
Nitrate-NitriteMonitoring
2 violations
All resolved
ChromiumMonitoring
2 violations
All resolved
ArsenicMonitoring
A naturally occurring element that can cause cancer and other health effects at high levels.
2 violations
All resolved
CYANIDEMonitoring
2 violations
All resolved
TTHMMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
E. COLIMonitoring
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jul 2025
How Does This Compare?
Pablo (59855) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 237.
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.