Is Dutch John, UT Tap Water Safe to Drink?
Graded B — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
76.4/100
waterverge.com Dutch John, UT — Water Quality Report
Dutch John's drinking water received a grade of B (76.4 out of 100), indicating good water quality. The city's 2 water systems serve approximately 504 residents using surface water.
Lead levels were measured at 0.0 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 267 violations on record, including 0 health-based violations. 10 remain unresolved.
What to know about Dutch John's water
Dutch John ranks #85 out of 177 cities in Utah for water quality, placing it mid-range 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, Dutch John may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Dutch John, UT water safe to drink?
Dutch John's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 504 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Dutch John
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Dutch John's water quality assessment. Grade: B (76.4/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: Revised Total Coliform Rule.
Contaminants: Nitrate.
Federal disaster declaration (FEMA DR-4011). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3223). Coastal Storm event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Dutch John's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Dutch John's water system has 267 total violations on record, including 0 health-based violations. 10 remain unresolved.
Flood & environmental risk
Daggett County has experienced 3 federally declared disasters since 1983. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Green River.
Where does Dutch John's water come from?
Dutch John's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 504 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Green River (river).
What Dutch John residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Dutch John's water.
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.
Dutch John's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D4 — exceptional droughtDaggett County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 10.3% 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Daggett County has experienced 3 federally declared disasters since 1983. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Dutch John's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.41 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Dutch John compares by contaminant
Explore where Dutch John ranks among all Utah cities for specific contaminants.
Water source & infrastructure
Where Dutch John's water comes from
Dutch John'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 504 people through 2 water systems.
Water bodies near Dutch John
Dutch John is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Dutch John
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GREENDALE WATER COMPANY | UTAH05004 | 467 | SW |
| MOUNTAINWEST PIPELINE CLAY BASIN CAMP | UTAH05036 | 37 | GW |
How Dutch John compares
Full Utah rankings →Dutch John's score of 76.4/100 is above the average of 50/100 among major Utah cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Utah rankings →Learn more about your water
Guides and resources related to Dutch John's water quality findings.
Explore water quality across Daggett
Frequently asked questions
Is Dutch John, UT tap water safe to drink?
Dutch John's water quality earned a grade of B (76.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #85 out of 177 cities tested in Utah.
What contaminants are in Dutch John's water?
Lead was measured at 0.0 ppb (90th percentile). 267 violations are on record.
How is Dutch John'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 Dutch John?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Dutch John's water come from?
Dutch John's water is sourced from Surface water. The city has 2 water systems serving approximately 504 residents.
How does Dutch John's water compare to other cities?
Dutch John ranks #85 out of 177 cities in Utah (better than 52% of state cities) and #9319 out of 15744 cities nationally (41th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.