PlainWater

Community Water System · PWS WY5600029

Laramie, City Of

Laramie, Wyoming 82073 - drinking water served from surface water sources to 32,395 people, tracked in EPA SDWIS and UCMR5.

32,395
People served
18
EPA violations
1
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 18 drinking-water violations at Laramie, City Of, 6% of them health-based - below the Wyoming per-system average.

18
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
32,395
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Laramie, City Of

Laramie, City Of is a local-owned community water system that delivers drinking water to 32,395 residents in Laramie, Wyoming (Albany County) through 9,825 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 18 total violations for this system , of which 1 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 11 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 5 violations (Other). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Wyoming, EPA tracks 766 public water systems serving 639,288 people, with 32,465 cumulative violations and 4,023 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 42.4 violations. Statewide, 18 of 33 UCMR5-tested systems have reported PFAS detections (54.5%).

Laramie, City Of's 18 violations sit below the Wyoming average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
32,395
Total Violations
18
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
9,825
County
Albany
School/Daycare
No
MCL Violations
1
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 5 2015
Coliform (TCR) MR 5 1994
TTHM MR 1 2013
Total Haloacetic Acids (HAA5) MR 1 2013
Arsenic MR 1 1993
Nitrate MR 1 1994
Lead and Copper Rule MR 1 2021
Coliform (TCR) MCL 1 1994
Chromium MR 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 290 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 8/12/2025 <20.00 ppt 20.00 ppt Not Detected
PFDA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeS 8/12/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/12/2025 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/12/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/12/2025 <6.00 ppt 6.00 ppt Not Detected
PFPeA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/12/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 8/12/2025 <2.00 ppt 2.00 ppt Not Detected
PFMPA 8/12/2025 <4.00 ppt 4.00 ppt Not Detected
ADONA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 8/12/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/12/2025 <6.00 ppt 6.00 ppt Not Detected
PFTA 8/12/2025 <8.00 ppt 8.00 ppt Not Detected
PFHpS 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/12/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/12/2025 <20.00 ppt 20.00 ppt Not Detected
PFMBA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/12/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxS 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/12/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/12/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 8/12/2025 <2.00 ppt 2.00 ppt Not Detected
PFEESA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/12/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/12/2025 <5.00 ppt 5.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Laramie, City Of.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WY5600029 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wyoming Drinking Water Authority

Wyoming's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find WY regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2021 Lead and Copper Rule MR 1 SDWIS / WY5600029 / 5000
2015 Consumer Confidence Rule Other 5 SDWIS / WY5600029 / 7000
2013 TTHM MR 1 SDWIS / WY5600029 / 2950
2013 Total Haloacetic Acids (HAA5) MR 1 SDWIS / WY5600029 / 2456
1994 Coliform (TCR) MR 5 SDWIS / WY5600029 / 3100
1994 Nitrate MR 1 SDWIS / WY5600029 / 1040
1994 Coliform (TCR) MCL 1 SDWIS / WY5600029 / 3100
1993 Arsenic MR 1 SDWIS / WY5600029 / 1005
1993 Chromium MR 1 SDWIS / WY5600029 / 1020

How Laramie, City Of Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Laramie, City Of Wyoming avg Federal benchmark
Total violations 18 42.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 54.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 32,395 835 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 766 regulated public water systems in Wyoming.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Laramie, City Of water safe to drink?
Laramie, City Of (PWS ID: WY5600029) has 18 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 32,395 people using Surface Water sources.
How many people does Laramie, City Of serve?
Laramie, City Of serves 32,395 people in Laramie, Wyoming. It is a Local-owned system using Surface Water water sources with 9,825 service connections.
What type of violations does Laramie, City Of have?
Laramie, City Of has 18 total violations: 1 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Laramie, City Of water?
No. Laramie, City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Laramie, City Of use?
Laramie, City Of uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.