PlainWater

Transient Non-Community Water System · PWS WY5601550

Hf Sinclair Golf Course, LLC

Operator location Sinclair, Wyoming - 58% of 53 violations are health-based (upper-third health share (> 23%)); surface water source; 148 served per SDWIS.

148
People served (this PWS)
53
EPA violations (this PWS)
31
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Hf Sinclair Golf Course, LLC standing, mid SDWIS violation third

58% of 53 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 58% is upper-third health share (> 23%).

The verdict

Hf Sinclair Golf Course, LLC lands in the middle third by violation volume (53), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (148; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 58% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.

53
Total EPA violations on record
58%
Health-based (MCL / treatment failure)
148
People served by this PWS (SDWIS)
N/A
PFAS compounds detected (UCMR5)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
7
County
Carbon
School/Daycare
No
MCL Violations
0
Monitoring Violations
22
Treatment Tech Violations
31

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 19 2009
Interim Enhanced Surface Water Treatment Rule TT 12 2006
Surface Water Treatment Rule MR 12 2012
Coliform (TCR) MR 5 2015
Interim Enhanced Surface Water Treatment Rule MR 5 2009

Violation Count vs. the National Corpus

Hf Sinclair Golf Course, LLC has 53 recorded EPA violations, 58% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 41% carry more. 58% of this system's own violations are health-based (31 of 53), and it ranks unranked by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

53 Around the middle fewer violations than 41% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

Health-based violations on Hf Sinclair Golf Course, LLC

31 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for WY5601550.

Sources: EPA SDWIS

Nationwide peers

53 violations · 148 served: nearest cross-state SDWIS matches.

What to do with Hf Sinclair Golf Course, LLC

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in Wyoming compares on the same EPA violation measures. Wyoming systems
  • Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
  • Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater