WaterVerge

Is Little America, WY Tap Water Safe to Drink?

Graded C+, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: WY5600097
Overall Score
68.7 / 100
Violations
4 active
Last Updated
May 2026
Source
Surface water
#39 of 65 in Wyoming Top 70% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
68.7/100
waterverge.com
C+ 68.7/100

Little America, WY — Water Quality Report

Little America's drinking water received a grade of C+ (68.7 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,004 residents using surface water.

Lead levels were measured at 4.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 67 violations on record, including 36 health-based violations. 4 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Little America's water

Little America ranks #39 out of 65 cities in Wyoming for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Little America may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
68.7 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
21.7/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Little America, WY water safe to drink?

Concerns Identified

Little America's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (68.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,004 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
4.0 ppb
Lead (90th %ile)

Recent water quality updates for Little America

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Little America's water quality assessment. Grade: C+ (68.7/100).

Violation
2 drinking water violations recorded

2 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Consumer Confidence Rule, TTHM.

Key contaminant findings

Based on the most recent EPA sampling data for Little America's water supply.

Lead Within Limits
Detected: 4.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Little America's water system has 67 total violations on record, including 36 health-based violations. 4 remain unresolved.

MCLOtherMRTT
Most recent violations:
Apr 2019 TTHM Resolved
Apr 2019 TTHM Resolved
Jan 2019 TTHM Resolved
Jul 2018 Consumer Confidence Rule Open
Jul 2018 TTHM Resolved

Where does Little America's water come from?

Little America's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,004 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Little America residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Little America's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
4.0 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Compliance Record

Violation summary

67
Total violations
36
Health-based
4
Active / unresolved
Apr 2019
Most recent violation
Compliance Record

Violations & advisories

67 Total
4 Active
36 Health-based
63 Resolved
25 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
31
Surface Water Treatment Rule
10
Stage 1 Disinfectants and Disinfection Byproducts Rule
9
Inorganic Chemicals
6
Radionuclides and Revised Rad Rule
4
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Oct 2015 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2019 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2019
Apr 2019 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2019
Jan 2019 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2019
Jul 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Sep 2018
Apr 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2018
Apr 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2018
Jan 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2018
Jan 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2018
Oct 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Dec 2017
Oct 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Dec 2017
Jul 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Sep 2017
Jul 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Sep 2017
Apr 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2017
Apr 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2017
Jan 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2017
Jan 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2017
Showing 20 of 67 violations
Industrial pollution

Top industrial polluters within 10 miles of Little America

Industrial polluters nearby

Reported releases to surface water by facilities near Little America, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
BLACKS FORK GAS PLANT
Natural Gas Processing · MARATHON PETROLEUM CORP
GRANGER, WY82934
5.3 mi
GRANGER GAS PLANT
Natural Gas Processing · WESTERN MIDSTREAM PARTNERS LP
GRANGER, WY82934
5.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D4 — exceptional drought

Sweetwater County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 0.2% of the county is in D4 (exceptional) drought. Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
39.8%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 4.0 ppb from 2006 (0.0 ppb) to 2024 (4.0 ppb).
Contaminant Rankings

See how Little America compares by contaminant

Explore where Little America ranks among all Wyoming cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Private
Population Served
2,004
Water Systems
1
Water Source

Where Little America's water comes from

Surface Water

Little America's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by private ownership and serves approximately 2,004 people through 1 water system.

Infrastructure

Water systems serving Little America

System Name PWSID Population Source
LITTLE AMERICA HOTELS & RESORTS, INC- WY WY5600097 2,004 SW
Regional Comparison

How Little America compares

Full Wyoming rankings →

Little America's score of 68.7/100 is above the average of 55/100 among major Wyoming cities. It outscores 7 of 10 nearby cities.

Little America (this city)
68.7
Cheyenne
30.8
Casper
41.8
Gillette
44.5
Laramie
55.2
Jackson
43.2
Wyoming avg
55
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Frequently asked questions

Is Little America, WY tap water safe to drink?

Little America's water quality earned a grade of C+ (68.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #39 out of 65 cities tested in Wyoming.

What contaminants are in Little America's water?

Lead was measured at 4.0 ppb (90th percentile). 67 violations are on record.

How is Little America's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Little America?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Little America's water come from?

Little America's water is sourced from Surface water. The city has 1 water system serving approximately 2,004 residents.

What health violations has Little America's water system had?

Little America has 36 health-based violations on record. The most recent violation was recorded in April 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

How does Little America's water compare to other cities?

Little America ranks #39 out of 65 cities in Wyoming (better than 40% of state cities) and #11035 out of 15744 cities nationally (30th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Little America's small water system affect quality?

Little America's system serves approximately 2,004 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 67 violations on record.