Is Erda, UT Tap Water Safe to Drink?
Graded A-, with 13 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
87.4/100
waterverge.com Erda, UT — Water Quality Report
Erda's drinking water received a grade of A- (87.4 out of 100), indicating good water quality. The city's 3 water systems serve approximately 1,338 residents using groundwater.
Lead levels were measured at 2.5 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 97 violations on record, including 3 health-based violations. 13 remain unresolved.
What to know about Erda's water
Erda ranks #36 out of 177 cities in Utah for water quality, placing it above average in the state.
Erda 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.
As a small community water system, Erda may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Erda, UT water safe to drink?
Erda's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 1,338 residents using groundwater (wells).
Recent water quality updates for Erda
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Erda's water quality assessment. Grade: A- (87.4/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: Revised Total Coliform Rule.
Contaminants: E. COLI.
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 Erda's water supply.
Well within EPA limits.
Violation history
Erda's water system has 97 total violations on record, including 3 health-based violations. 13 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Tooele County has experienced 5 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 Great Salt Lake, (C- 2- 4)15Cac-S1 Mill Spring Nr Erda.
Where does Erda's water come from?
Erda's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 1,338 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Great Salt Lake (lake), (C- 2- 4)15Cac-S1 Mill Spring Nr Erda (spring).
What Erda residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Erda'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.
Erda'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
Top industrial polluters within 10 miles of Erda
Industrial polluters nearby
Reported releases to surface water by facilities near Erda, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
ENERGYSOLUTIONS LLC CLIVE, UT84029 | — | — | 8.0 mi |
CLEAN HARBORS ARAGONITE LLC GRANTSVILLE, UT84029 | — | — | 8.0 mi |
U.S. DOD, USAF, HILL AFB UTTR ACTIVITIES, RANGE UTTR, UT84029 | — | — | 8.0 mi |
CLEAN HARBORS CLIVE LLC CLIVE, UT84029 | — | — | 8.0 mi |
HUNTER PANELS A DIV OF CARLISLE CONSTRUCTION MATERIALS TOOELE, UT84074 | — | — | 7.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Erda
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- TOOELE ARMY DEPOT NORTH AREA8.3 mi
Source: EPA Superfund National Priorities List
Drought conditions
D3 — extreme droughtTooele 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Tooele County has experienced 5 federally declared disasters since 1983. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
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. | 2.5 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Erda compares by contaminant
Explore where Erda ranks among all Utah cities for specific contaminants.
Water source & infrastructure
Where Erda's water comes from
Erda'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 private ownership and serves approximately 1,338 people through 3 water systems.
Water bodies near Erda
Erda is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Erda
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ERDA ACRES WATER CO | UTAH23053 | 1,150 | GW |
| OPHIR CANYON WATER ASSOCIATION | UTAH23006 | 108 | GW |
| SILVER SPUR RANCHOS | UTAH23071 | 80 | GW |
How Erda compares
Full Utah rankings →Erda's score of 87.4/100 is above the average of 50/100 among major Utah cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Utah rankings →About Erda, UT
Wikipedia →Erda is a city in Tooele County, Utah, United States. The population was 4,642 at the 2010 census, a significant increase from the 2000 figure of 2,473. Erda was previously a Census-Designated Place (CDP) and a township, but it officially received its incorporation certificate in January 2022.
Learn more about your water
Guides and resources related to Erda's water quality findings.
Explore water quality across Tooele
Frequently asked questions
Is Erda, UT tap water safe to drink?
Erda's water quality earned a grade of A- (87.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #36 out of 177 cities tested in Utah.
What contaminants are in Erda's water?
Lead was measured at 2.5 ppb (90th percentile). 97 violations are on record.
How is Erda'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 Erda?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Erda's water come from?
Erda's water is sourced from Groundwater. The city has 3 water systems serving approximately 1,338 residents.
What health violations has Erda's water system had?
Erda has 3 health-based violations on record. The most recent violation was recorded in June 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 13 violations remain unresolved.
Is Erda's groundwater at risk of contamination?
Erda 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 97 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 Erda's water compare to other cities?
Erda ranks #36 out of 177 cities in Utah (better than 80% of state cities) and #4085 out of 15744 cities nationally (74th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.