Water Quality in RYAN, OK (73565)

EPA violation data for public water systems serving ZIP code 73565.

211

Total Violations

209

Health-Based

Monitoring / Reporting

211

Resolved

What does this mean?

211 of 211 violations have been resolved. 209 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 2 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 2 Population served: 1,811

Violations Detail (211 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
TTHM	Health-Based	N/A	0.125	Jun 30, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.151	Jun 30, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.068	Jun 30, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.148	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.061	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.148	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.148	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.148	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.061	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.061	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.061	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.146	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.154	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.146	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.146	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.154	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.146	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.154	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.154	Dec 31, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.147	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.147	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.147	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.147	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.149	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.149	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.149	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.149	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.149	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.154	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.154	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.154	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.154	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.143	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.143	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.143	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.143	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.143	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.138	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.138	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.138	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.138	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.138	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.204	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.205	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.205	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.205	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.205	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.205	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.158	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.231	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.231	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.231	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.231	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.231	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.075	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.075	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.075	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.075	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.075	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.156	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.228	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.228	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.228	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.228	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.228	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.14	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.067	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.067	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.067	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.067	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.067	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.229	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.229	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.229	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.229	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.229	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.244	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.244	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.244	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.244	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.244	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.076	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.076	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.076	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.076	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.076	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.106	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.106	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.106	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.106	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.106	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.255	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.255	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.255	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.255	Mar 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(15)

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

2024(40)

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

How Does This Compare?

RYAN (73565) has 211 recorded violations, including 209 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

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 →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in RYAN, OK (73565)

What does this mean?

Violations Detail (211 total)

Lead & Copper Levels

Violation Timeline

2025(15)

2024(40)

2023(38)

2022(55)

2021(63)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

Nearby ZIP Codes

Check Another ZIP Code