Houston tap water has 21 contaminants above EPA guidelines, including lithium at 3.3× the limit (tested September 2025). See the full compound-by-compound breakdown and filter recommendations.
The health risk for Houston
lithium has been detected above EPA limits in this water system's recent tests. A certified filter designed for this contaminant type is strongly recommended.
6:2 FTS, lithium, PFBS, PFPeA above limit.
lithium concentration (µg/L)
September 2025
0 µg/L10 µg/L50 µg/L
32.600 µg/L
Detected
µg/L
10 µg/L
EPA limit
guideline
226% above limit
Comparison
vs. guideline
EPA limit: 10 µg/L | Your water: 32.600 µg/L
Certified Filters for Houston Tap Water
lithium was detected above EPA limits. These filters are independently certified to reduce common drinking-water contaminants.
Pitcher filter
Epic Pure XP Water Filter Pitcher
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
NSF/ANSI 42, 53, 401 & P473Removes 99.99% PFASMade in USABPA-free
PFAS detected in 77450 · What you can do
Here's what actually removes PFAS from your water
The right filter eliminates PFAS at the tap. But not all filters do - and the type you choose matters for your home.
⚠️
Common pitchers like Brita do not remove PFAS. You need a filter independently certified to NSF P473 (for pitcher filters) or NSF/ANSI 58 (for reverse osmosis systems). All three options below carry the relevant certification.
lithium Tested: September 2025 · Connection to Cinco MUD 1
32.600 µg/L
10 µg/L
226% above limit
lithium Tested: March 2025 · Plant 4
31.900 µg/L
10 µg/L
219% above limit
lithium Tested: October 2024 · MASON CREEK UTILITY DISTRICT
29.600 µg/L
10 µg/L
196% above limit
lithium Tested: September 2024 · MEMORIAL MUD, WP2
29.000 µg/L
10 µg/L
190% above limit
lithium Tested: October 2023 · INTERSTATE MUD
26.700 µg/L
10 µg/L
167% above limit
View all tested compounds
FORT BEND COUNTY MUD 142 · Tested: November 2023
Compound
Measurement
EPA Limit
Comparison
PFPeA
0.008 µg/L
0.003 µg/L
163% above limit
6:2 FTS
0.008 µg/L
0.005 µg/L
58% above limit
PFBS
0.004 µg/L
0.003 µg/L
33% above limit
lithium
10.700 µg/L
10 µg/L
7% above limit
PFHxS
0.004 µg/L
0.004 µg/L
95% of limit
PFHxA
0.009 µg/L
3 µg/L
0.3% of limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
CIMARRON MUD, WP1 · Tested: November 2025
Compound
Measurement
EPA Limit
Comparison
lithium
10.900 µg/L
10 µg/L
9% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
CIMARRON MUD, WP2 · Tested: November 2025
Compound
Measurement
EPA Limit
Comparison
lithium
19.300 µg/L
10 µg/L
93% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
CIMARRON MUD, WP3 · Tested: November 2025
Compound
Measurement
EPA Limit
Comparison
lithium
11.700 µg/L
10 µg/L
17% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
CINCO MUD 2 · Tested: September 2024
Compound
Measurement
EPA Limit
Comparison
lithium
21.200 µg/L
10 µg/L
112% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Connection to Cinco MUD 1 · Tested: August 2025
Compound
Measurement
EPA Limit
Comparison
lithium
28.500 µg/L
10 µg/L
185% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Connection to Cinco MUD 1 · Tested: September 2025
Compound
Measurement
EPA Limit
Comparison
lithium
32.600 µg/L
10 µg/L
226% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
CORNERSTONES MUD, WP1 · Tested: Multiple dates
Compound
Measurement
EPA Limit
Comparison
lithium
19.200 µg/L
10 µg/L
92% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
INTERSTATE MUD · Tested: Multiple dates
Compound
Measurement
EPA Limit
Comparison
lithium
26.700 µg/L
10 µg/L
167% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
MASON CREEK UTILITY DISTRICT · Tested: October 2024
Compound
Measurement
EPA Limit
Comparison
lithium
29.600 µg/L
10 µg/L
196% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
MEMORIAL MUD, WP1 · Tested: September 2024
Compound
Measurement
EPA Limit
Comparison
lithium
18.400 µg/L
10 µg/L
84% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
MEMORIAL MUD, WP2 · Tested: September 2024
Compound
Measurement
EPA Limit
Comparison
lithium
29.000 µg/L
10 µg/L
190% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
NOTTINGHAM COUNTRY MUD, WP1 · Tested: December 2024
Compound
Measurement
EPA Limit
Comparison
lithium
26.700 µg/L
10 µg/L
167% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Plant 1 · Tested: March 2025
Compound
Measurement
EPA Limit
Comparison
lithium
21.300 µg/L
10 µg/L
113% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Plant 2 · Tested: March 2025
Compound
Measurement
EPA Limit
Comparison
lithium
19.100 µg/L
10 µg/L
91% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Plant 3 · Tested: March 2025
Compound
Measurement
EPA Limit
Comparison
lithium
22.500 µg/L
10 µg/L
125% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Plant 4 · Tested: March 2025
Compound
Measurement
EPA Limit
Comparison
lithium
31.900 µg/L
10 µg/L
219% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Treatment Plant · Tested: May 2025
Compound
Measurement
EPA Limit
Comparison
lithium
15.100 µg/L
10 µg/L
51% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
WEST MEMORIAL MUD · Tested: September 2024
Compound
Measurement
EPA Limit
Comparison
lithium
22.100 µg/L
10 µg/L
121% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Water utilities serving ZIP 77450
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
Modeled boundaries are shown with a dashed outline.
Frequently Asked Questions about ZIP 77450 Tap Water
What contaminants are above EPA limits in ZIP 77450?
ZIP 77450 has 21 contaminants above EPA health guidelines in the latest available data, including lithium at 3.3x the EPA guideline. The full table on this page lists every tested compound and its measured level.
Will boiling ZIP 77450 tap water remove lithium?
No. Boiling tap water does not remove lithium. Lithium is a dissolved mineral, so heat does not break it down and evaporation can actually concentrate it. Reverse osmosis (NSF/ANSI 58) is the most reliable at-home option for reducing lithium.
Do basic pitcher filters remove lithium?
Standard pitcher filters are not certified to reduce lithium. Reverse osmosis (NSF/ANSI 58) is the most widely available home option for reducing lithium in drinking water.
Who provides tap water in ZIP 77450?
Public records identify NOTTINGHAM COUNTRY MUD as a primary water system associated with ZIP 77450. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 77450 tap water last tested?
The most recent test date used in this report is November 2025. EnviroClarity last refreshed this page on 2026-05-05.
Where can I find the official water quality report for ZIP 77450?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact NOTTINGHAM COUNTRY MUD or visit their website for the latest official report covering ZIP 77450. The EPA also maintains a national CCR locator.
Primary sourceEPA UCMR5 (2023-2025)
Guideline sourceEPA drinking water standard (lithium: 10 µg/L)
Data reflects publicly reported utility records from EPA datasets and local utility disclosures.
This information is educational and not medical advice.