Water Quality in Alamosa, CO (81101)
EPA violation data for public water systems serving ZIP code 81101.
Active Health Violations
6 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 94% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
15,550
Population
31
Water Systems
76
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (31)
Alamosa City Of
East Alamosa
Sky Hi Drive In
Town 'N' Country M.H. Lodge
Colorado Mushroom Farm Llc
5 health-basedTown N Country Mhp
Splashland Llc
All resolvedWaverly Elem Sch - Alamosa
Koa Alamosa
All resolvedComfort Inn Alamosa
Sand Dunes Swimming Pool And Rv Park
Koa Cpgd - Alamosa
San Luis Valley Rv Resort
All resolvedGreat Sand Dunes Lodge
1 health-basedBase Camp Family Campground
Lake Sanchez Estates
Sacred Heart Youth Camp
Mtnw Colo Aggregate, Inc.
Red Wing Mobile Home Park
Narrow Gauge Motel
Colo Aggregate/Mesita Off/Mwca
Cdot Shaw Creek Rest Area
Slv Boces
Ala Vista Truck Center
Price East Alamosa
Monte Vista Migrant Head Start
Colorado Aggregate Blanca Plant
Outhouse N Restaurant Area
Bullfrog Restaurant
Waverly Elementary School
Tumbleweed Day Care
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Alamosa (81101) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 76.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.