Cedar Rapids Water Quality
Iowa
According to EPA SDWIS, Cedar Rapids, Iowa is served by 17 community water systems covering about 143,994 people. The same extract lists 7 health-based violation records, most recently coded 1041 in 2023. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Cedar Rapids, Iowa is delivered through 17 EPA-regulated community water systems serving an estimated 143,994 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.
PlainEnviro's health-based SDWIS extract shows 7 violation records across the 17 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 4 distinct EPA contaminant codes: Nitrite, Stage 1 Disinfectants and Disinfection Byproducts Rule, Groundwater Rule, Revised Total Coliform Rule. 26 TRI-reporting industrial facilities are also located within the city limits.
A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Iowa drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.
Community Water Systems
| System Name | Pop. Served | Violations | Status |
|---|---|---|---|
| CEDAR RAPIDS WATER DEPARTMENT | 142,364 | 0 | Clean |
| MARTELLE WATER WORKS | 249 | 0 | Clean |
| COUNTRY MANOR ESTATES | 228 | 0 | Clean |
| VERN ACRES (OLIPHANT ADDITION) | 150 | 0 | Clean |
| ANCHORS POINT COA | 150 | 0 | Clean |
| OAK VALLEY | 100 | 0 | Clean |
| DEER RIDGE HOMEOWNERS WATER ASSC. | 94 | 0 | Clean |
| TWIN KNOLLS FOURTH/FIFTH ADDITION | 90 | 0 | Clean |
| OAK RIDGE LAKE ESTATES | 88 | 3 | Health |
| WEST POST ESTATES ADDITION | 85 | 0 | Clean |
| BIG CREEK BLUFFS | 80 | 0 | Clean |
| BRITTANY ESTATES HOMEOWNERS ASSOCIATION | 72 | 0 | Clean |
| GREEN LAKE MHP | 70 | 0 | Clean |
| GLENN OAKS ADDITION | 58 | 3 | Health |
| CRESTWOOD ACRES | 50 | 0 | Clean |
| CHESTNUT RIDGE | 33 | 1 | Health |
| KURTH ADDITION | 33 | 0 | Clean |
Does this city have health-based water violations?
These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.
| Water system | Contaminant | Begin Date |
|---|---|---|
| GLENN OAKS ADDITION | Nitrite | 2023-10-01 |
| GLENN OAKS ADDITION | Nitrite | 2023-10-01 |
| GLENN OAKS ADDITION | Nitrite | 2023-10-01 |
| OAK RIDGE LAKE ESTATES | Stage 1 Disinfectants and Disinfection Byproducts Rule | 2021-10-01 |
| OAK RIDGE LAKE ESTATES | Groundwater Rule | 2020-09-01 |
| OAK RIDGE LAKE ESTATES | Groundwater Rule | 2020-07-01 |
| CHESTNUT RIDGE | Revised Total Coliform Rule | 2018-02-01 |
What are Cedar Rapids's health-based records for?
Cedar Rapids's health-based violation records carry 4 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.
| Contaminant | Records | Systems |
|---|---|---|
| Nitrite | 3 | 1 |
| Groundwater Rule | 2 | 1 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 1 | 1 |
| Revised Total Coliform Rule | 1 | 1 |
TRI Facilities in Cedar Rapids
| Facility | Total Releases |
|---|---|
| Adm Corn Processing | 6.2M lbs |
| Pmx Industries Inc | 2.1M lbs |
| Cargill Inc. | 1.2M lbs |
| Red Star Yeast Co LLC | 994.7K lbs |
| Cargill Inc | 438.9K lbs |
| Cargill Inc Corn Milling | 351.3K lbs |
| International Paper Co Cedar River Mill | 277.1K lbs |
| Ingredion Inc | 181.7K lbs |
| Danisco US Inc | 155.1K lbs |
| Klinger Paint Co Inc | 118.0K lbs |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Cedar Rapids, Iowa? ▼
How many water violations does Cedar Rapids have in this EPA extract? ▼
What contaminants were found in Cedar Rapids water? ▼
How many water systems serve Cedar Rapids? ▼
Where does Cedar Rapids get its drinking water? ▼
Are there pollution sources near Cedar Rapids? ▼
How does Cedar Rapids compare in Iowa?
Of the 598 Iowa places with at least one community water system on file, Cedar Rapids ranks #5 by number of systems (17).
Either side of it: Newton (22), Fort Dodge (18), Marshalltown (16), Iowa City (15)
About This Data
Figures here are the current EPA SDWIS extract joined to the 17 community water systems whose service area lists Cedar Rapids, ranked against the 598 Iowa places with at least one system on file. Data current as of 2026-08-25.
Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.
A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.
TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.
Read our methodology - how this data is sourced, computed, and verified.