WaterVerge

Is Worland, WY Tap Water Safe to Drink?

Graded A-, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

7K residents served 3 water systems PWSID: WY5600197
Overall Score
89.4 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#7 of 65 in Wyoming Top 18% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.4/100
waterverge.com
A- 89.4/100

Worland, WY — Water Quality Report

Worland's drinking water received a grade of A- (89.4 out of 100), indicating good water quality. The city's 3 water systems serve approximately 6,502 residents using groundwater.

Lead levels were measured at 3.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 23 violations on record, including 1 health-based violation. 7 remain unresolved.

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

What to know about Worland's water

Worland ranks #7 out of 65 cities in Wyoming for water quality, placing it one of the best in the state.

Worland relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

Quality Breakdown

Water quality score

See methodology →
89.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
17/20
B
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Worland, WY water safe to drink?

Concerns Identified

Worland's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 6,502 residents using groundwater (wells).

7
Active Violations
3.0 ppb
Lead (90th %ile)
None
PFAS Detected
2 events
Disaster History

Recent water quality updates for Worland

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Worland's water quality assessment. Grade: A- (89.4/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Nitrite.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4327). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Disaster
SEVERE STORMS, FLOODING & MUDSLIDES

Federal disaster declaration (FEMA DR-557). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 3.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Worland's water system has 23 total violations on record, including 1 health-based violation. 7 remain unresolved.

OtherMRMCL
Most recent violations:
Oct 2020 Consumer Confidence Rule Open
Apr 2019 Nitrite Resolved
Jan 2017 E. COLI Open
Jan 2016 Coliform (TCR) Resolved
Sep 2015 E. COLI Open

Flood & environmental risk

Washakie County has experienced 2 federally declared disasters since 1978. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

FLOODING
Flood FEMA DR-4327
SEVERE STORMS, FLOODING & MUDSLIDES
Flood FEMA DR-557

Where does Worland's water come from?

Worland's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 6,502 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Worland residents can do

Install a water filter

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

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
3.0 ppb
EPA Action Level: 15 ppb · 20% of limit
Safe Level
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

23
Total violations
1
Health-based
7
Active / unresolved
Oct 2020
Most recent violation
Compliance Record

Violations & advisories

23 Total
7 Active
1 Health-based
16 Resolved
Violations by category
Inorganic Chemicals
6
Total Coliform Rule
4
Nitrate Rule
3
Ground Water Rule
2
Lead and Copper Rule
2
Oct 2020 Active
Consumer Confidence Rule
Other Violation 0
Jan 2017 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2015 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Apr 2019 Resolved
Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2019
Jan 2016 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2016
Dec 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Jan 2003 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2003
Jul 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1998
Feb 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1991
Aug 1983 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1984
Aug 1983 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1984
Aug 1983 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1984
Aug 1983 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1984
Aug 1983 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1984
Aug 1983 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1984
Aug 1983 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1984
Showing 20 of 23 violations
Industrial pollution

Top industrial polluters within 10 miles of Worland

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CROWN BEVERAGE PACKAGING
Fabricated Metals · CROWN HOLDINGS INC
WORLAND, WY82401
0.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Washakie County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

12
Weeks at D2+ (current streak)
23.7%
Months in D2+ (last 30y)
12
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

2
Declared disasters
Aug 2017
Most recent
Flood
Most common type

Washakie County has experienced 2 federally declared disasters since 1978. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2017
FLOODING
Flood FEMA #4327
May 1978
SEVERE STORMS, FLOODING & MUDSLIDES
Flood FEMA #557

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.0 ppb from 2002 (3.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
6,502
Water Systems
3
Source breakdown
Groundwater
2
Purchased Groundwater
1
Water Source

Where Worland's water comes from

Groundwater

Worland's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 6,502 people through 3 water systems.

Infrastructure

Water systems serving Worland

System Name PWSID Population Source
WORLAND UTILITIES COMMISSION WY5600197 5,487 GW
WASHAKIE RURAL WATER SYSTEM WY5601523 990 GWP
BIG HORN REGIONAL JPB WY5601630 25 GW
Regional Comparison

How Worland compares

Full Wyoming rankings →

Worland's score of 89.4/100 is above the average of 55/100 among major Wyoming cities. It outscores 10 of 10 nearby cities.

Worland (this city)
89.4
Cheyenne
30.8
Casper
41.8
Gillette
44.5
Laramie
55.2
Jackson
43.2
Wyoming avg
55
City Profile

About Worland, WY

Economic Profile
$59,679
Median Income
$177,520
Median Home Value
$672/mo
Median Rent
1.9%
Unemployment
Community
40.8
Median Age
405
People / sq mi
21.5%
College Educated
68.4%
Homeownership
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Frequently asked questions

Is Worland, WY tap water safe to drink?

Worland's water quality earned a grade of A- (89.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #7 out of 65 cities tested in Wyoming.

What contaminants are in Worland's water?

Lead was measured at 3.0 ppb (90th percentile). No PFAS compounds were detected. 23 violations are on record.

How is Worland'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 Worland?

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

Where does Worland's water come from?

Worland's water is sourced from Groundwater. The city has 3 water systems serving approximately 6,502 residents.

What health violations has Worland's water system had?

Worland has 1 health-based violation on record. The most recent violation was recorded in October 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

Is Worland's groundwater at risk of contamination?

Worland uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 23 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Worland's water compare to other cities?

Worland ranks #7 out of 65 cities in Wyoming (better than 89% of state cities) and #2827 out of 15744 cities nationally (82th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.