Water Quality in Alamosa, CO (81144)

EPA violation data for public water systems serving ZIP code 81144.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

6,543

Population

45

Water Systems

547

Violations (5yr)

5

Health-Based

Location

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Water Systems Serving This Area (45)

Alamosa City Of

Groundwater 11,271 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓

Monte Vista City Of

Groundwater 4,600 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓

Monte Vista Co Op

All resolved
Groundwater 150 people served
9 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓

Del Norte Office

Groundwater 69 people served
0 violations

A E Staley Manufacturing

Groundwater 60 people served
0 violations

Phillips Univ. Science Camp

Groundwater 60 people served
0 violations

Usfs - Big Meadows Cpgd - Rgnf

Groundwater 50 people served
0 violations

Pacheco Trailer Park

4 health-based
Groundwater 36 people served
537 violations (5yr) · 4 health-based

Lost Trail Camp

Groundwater 30 people served
0 violations

Penitente Canyon Cg Blm

1 health-based
Groundwater 30 people served
1 violation (5yr) · 1 health-based · All resolved

Usfs - Cross Crk Pngd - Rgnf

Groundwater 26 people served
0 violations

Elk Creek 3 Cg (Low)

Groundwater 26 people served
0 violations

Elk Creek 1 Cg (High)

Groundwater 26 people served
0 violations

Usfs - Park Crk Cpgd - Rgnf

Groundwater 26 people served
0 violations

Usfs - Palisade Cpgd - Rgnf

Groundwater 26 people served
0 violations

Lake Fork

Groundwater 25 people served
0 violations

Columbine Roadside Rest Stop

Groundwater 25 people served
0 violations

Mountain View School

Groundwater 21 people served
0 violations

River Hill Cg No 2 West

Groundwater 19 people served
0 violations

River Hill Cg 1 East

Groundwater 19 people served
0 violations

Palisade Cg

Groundwater 17 people served
0 violations

Lake Fork Cg No 2 High

Groundwater 16 people served
0 violations

North Clear Creek Cg

Groundwater 16 people served
0 violations

Park Creek Cg

Groundwater 15 people served
0 violations

Lake Fork Cg Lower

Groundwater 15 people served
0 violations

Upper Beaver Creek Cg

Groundwater 15 people served
0 violations

Rio Grande Haciendas

Groundwater 14 people served
0 violations

Rio Grande Motel

Groundwater 12 people served
0 violations

Mix Lake Cg

Groundwater 12 people served
0 violations

Cross Creek Pg - Rio Grande

Groundwater 11 people served
0 violations

Cathedral Campground South

Groundwater 10 people served
0 violations

Lower Beaver Creek Cg South

Groundwater 8 people served
0 violations

Tucker Pond Cg

Groundwater 8 people served
0 violations

Bristol Head Campground

Groundwater 8 people served
0 violations

Lower Beaver Creek Cg North

Groundwater 7 people served
0 violations

Upper Beaver Cg South

Groundwater 7 people served
0 violations

Silver Thread Cg

Groundwater 5 people served
0 violations

Cross Creek Campground

Groundwater 0
0 violations

Marshall Park Cg

Groundwater under influence of surface water 0
0 violations

101 San Luis Valley Livestock

Groundwater 0
0 violations

Valley Farmer Restaurant

Groundwater 0
0 violations

Lost Trail Cg

Groundwater 0
0 violations

Rio Grande Fisherman Area

Groundwater 0
0 violations

Valle Verde Picnic Area

Groundwater 0
0 violations

North Crestone Cg Lower

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

16 violations
Has active
ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

5 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
2 violations
All resolved
Public NoticeMonitoring
7 violations
Has active
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

4 violations
All resolved
SimazineMonitoring
4 violations
All resolved
TolueneMonitoring
4 violations
All resolved
DiquatMonitoring
4 violations
All resolved
ETHYLENE DIBROMIDEMonitoring
4 violations
All resolved
HeptachlorMonitoring
4 violations
All resolved
HEXACHLOROBENZENEMonitoring
4 violations
All resolved
Vinyl chlorideMonitoring
4 violations
All resolved
p-DichlorobenzeneMonitoring
4 violations
All resolved
AtrazineMonitoring
4 violations
All resolved
BenzeneMonitoring
4 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
4 violations
All resolved
CadmiumMonitoring
4 violations
All resolved
TrichloroethyleneMonitoring
4 violations
All resolved
DalaponMonitoring
4 violations
All resolved
1,2-DichloropropaneMonitoring
4 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
4 violations
All resolved
DinosebMonitoring
4 violations
All resolved
1,1,2-TrichloroethaneMonitoring
4 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
4 violations
All resolved
BariumMonitoring
4 violations
All resolved
ChlordaneMonitoring
4 violations
All resolved
Beryllium, TotalMonitoring
4 violations
All resolved
Xylenes, TotalMonitoring
4 violations
All resolved
MercuryMonitoring
4 violations
All resolved
HexachlorocyclopentadieneMonitoring
4 violations
All resolved
Thallium, TotalMonitoring
4 violations
All resolved
1,1-DichloroethyleneMonitoring
4 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
4 violations
All resolved
EndrinMonitoring
4 violations
All resolved
1,1,1-TrichloroethaneMonitoring
4 violations
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
4 violations
All resolved
CarbofuranMonitoring
4 violations
All resolved
ChromiumMonitoring
4 violations
All resolved
EthylbenzeneMonitoring
4 violations
All resolved
ToxapheneMonitoring
4 violations
All resolved
Benzo(a)pyreneMonitoring
4 violations
All resolved
CHLOROBENZENEMonitoring
4 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
4 violations
All resolved
OXAMYLMonitoring
4 violations
All resolved
PentachlorophenolMonitoring
4 violations
All resolved
Combined Radium (-226 and -228)Monitoring
4 violations
All resolved
BHC-GAMMAMonitoring
4 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
4 violations
All resolved
SeleniumMonitoring
4 violations
All resolved
Combined UraniumMonitoring
4 violations
All resolved
EndothallMonitoring
4 violations
All resolved
Carbon tetrachlorideMonitoring
4 violations
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
4 violations
All resolved
LASSOMonitoring
4 violations
All resolved
Heptachlor epoxideMonitoring
4 violations
All resolved
2,4,5-TPMonitoring
4 violations
All resolved
StyreneMonitoring
4 violations
All resolved
NickelMonitoring
4 violations
All resolved
Antimony, TotalMonitoring
4 violations
All resolved
DICHLOROMETHANEMonitoring
4 violations
All resolved
TetrachloroethyleneMonitoring
4 violations
All resolved
o-DichlorobenzeneMonitoring
4 violations
All resolved
2,4-DMonitoring
4 violations
All resolved
PicloramMonitoring
4 violations
All resolved
1,2-DichloroethaneMonitoring
4 violations
All resolved
MethoxychlorMonitoring
4 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

3 violations
Has active
GlyphosateMonitoring
2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

2 violations
All resolved
FluorideMonitoring
2 violations
All resolved
E. COLIMonitoring
1 violation
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Alamosa (81144) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 547.

Fewer violations 100th percentile More violations

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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.

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