Is Orofino, ID Tap Water Safe to Drink?
Graded D — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
49.8/100
waterverge.com Orofino, ID — Water Quality Report
Orofino's drinking water received a grade of D (49.8 out of 100), indicating poor water quality. The city's 4 water systems serve approximately 4,532 residents using surface water.
Lead levels were measured at 12.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 174 violations on record, including 107 health-based violations. 14 remain unresolved.
What to know about Orofino's water
Orofino ranks #95 out of 139 cities in Idaho for water quality, placing it below average 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.
While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.
The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Orofino, ID water safe to drink?
Orofino's drinking water has significant quality concerns based on EPA testing data. With a grade of D (49.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 4,532 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Orofino
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Orofino's water quality assessment. Grade: D (49.8/100).
Contaminants: Nitrate, Total Haloacetic Acids (HAA5).
Contaminants: Lead and Copper Rule.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Federal disaster declaration (FEMA DR-4313). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-1987). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Orofino's water supply.
Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Orofino's water system has 174 total violations on record, including 107 health-based violations. 14 remain unresolved. 8 violations were issued in the last 5 years.
Flood & environmental risk
Clearwater County has experienced 5 federally declared disasters since 1964. 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 Lolo Creek Nr Greer, Clearwater River, Clearwater River Nr Peck.
Where does Orofino's water come from?
Orofino's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 4 water systems serving approximately 4,532 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Lolo Creek Nr Greer (river), Clearwater River (river), Clearwater River Nr Peck (river).
What Orofino residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Orofino'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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Orofino'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
D2 — severe droughtClearwater County is currently in D2 (severe 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
Clearwater County has experienced 5 federally declared disasters since 1964. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Orofino'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. | 12.0 | 15 | ppb | Inorganic | Near Limit |
| 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. | 1.99 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Orofino compares by contaminant
Explore where Orofino ranks among all Idaho cities for specific contaminants.
Water source & infrastructure
Where Orofino's water comes from
Orofino'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 local government ownership and serves approximately 4,532 people through 4 water systems.
Water bodies near Orofino
Orofino is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Orofino
| System Name | PWSID | Population | Source |
|---|---|---|---|
| OROFINO CITY OF | ID2180024 | 2,459 | SW |
| RIVERSIDE WATER AND SEWER DISTRICT | ID2180032 | 2,000 | SW |
| LAKEVIEW WATER DISTRICT | ID2180020 | 45 | GW |
| WELLS BENCH WATER AND ROAD | ID2180038 | 28 | GW |
How Orofino compares
Full Idaho rankings →Orofino's score of 49.8/100 is above the average of 43/100 among major Idaho cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Idaho rankings →About Orofino, ID
Wikipedia →Orofino oro-FEE-noh; is a city in and the county seat of Clearwater County, Idaho, United States, along Orofino Creek and the north bank of the Clearwater River. It is the major city within the Nez Perce Indian Reservation. The population was 2,656 at the time of the 2020 census.
Learn more about your water
Guides and resources related to Orofino's water quality findings.
Explore water quality across Clearwater
Frequently asked questions
Is Orofino, ID tap water safe to drink?
Orofino's water quality earned a grade of D (49.8/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #95 out of 139 cities tested in Idaho.
What contaminants are in Orofino's water?
Lead was measured at 12.0 ppb (90th percentile). 174 violations are on record.
How is Orofino'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 Orofino?
While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Orofino's water come from?
Orofino's water is sourced from Surface water. The city has 4 water systems serving approximately 4,532 residents.
What health violations has Orofino's water system had?
Orofino has 107 health-based violations on record. The most recent violation was recorded in January 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.
How does Orofino's water compare to other cities?
Orofino ranks #95 out of 139 cities in Idaho (better than 32% of state cities) and #13211 out of 15744 cities nationally (16th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.