{"about":"https://api.alpha.dww-next.mswater.us/","prose":"https://api.alpha.dww-next.mswater.us/llms.txt","everything":{"url":"https://api.alpha.dww-next.mswater.us/openapi.json","approxTokens":81340},"howToRead":"Fetch only what you need. Combine with a comma: /openapi/summary,violations.json. `takes` lists the query parameters each endpoint accepts, `name!` where required; on those endpoints an empty list means it accepts none and sending one is an error rather than a silent no-op. An endpoint whose takes is \"any — ignored; front-door document\" is a front-door document: it ignores whatever follows the ?, because links to it arrive decorated.","groups":[{"name":"core","url":"https://api.alpha.dww-next.mswater.us/openapi/core.json","answers":"The two endpoints that answer a question about a water system: find one by name, then read its summary.","approxTokens":10870},{"name":"water-systems","url":"https://api.alpha.dww-next.mswater.us/openapi/water-systems.json","answers":"Every water-system endpoint, including all the per-system collections.","approxTokens":58450},{"name":"reference","url":"https://api.alpha.dww-next.mswater.us/openapi/reference.json","answers":"Reference data: the code tables, and the list of what is tested for across every system this API serves.","approxTokens":22950}],"endpoints":[{"name":"coverage","method":"GET","path":"/coverage","answers":"What is served, what is not, and what neither this API nor the agency publishes","takes":"any — ignored; front-door document","url":"https://api.alpha.dww-next.mswater.us/openapi/coverage.json","approxTokens":240},{"name":"search","method":"GET","path":"/v1/water-systems","answers":"Search water systems","takes":["q","county","fedType","source","status","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/search.json","approxTokens":5250},{"name":"system","method":"GET","path":"/v1/water-systems/{pwsid}","answers":"One water system","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/system.json","approxTokens":2630},{"name":"search-options","method":"GET","path":"/v1/water-systems/search-options","answers":"The values each search filter accepts","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/search-options.json","approxTokens":1600},{"name":"summary","method":"GET","path":"/v1/water-systems/{pwsid}/summary","answers":"One system at a glance: identity, population, sources, violation counts","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/summary.json","approxTokens":7140},{"name":"violations","method":"GET","path":"/v1/water-systems/{pwsid}/violations","answers":"Violations for one system","takes":["status","grouped","inGroupOnly","group","analyteRecorded","category","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/violations.json","approxTokens":5940},{"name":"violation","method":"GET","path":"/v1/water-systems/{pwsid}/violations/{violationId}","answers":"One violation","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/violation.json","approxTokens":4930},{"name":"mdbp-summaries","method":"GET","path":"/v1/water-systems/{pwsid}/facilities/{facilityId}/mdbp-summaries","answers":"MDBP summaries for one facility","takes":["periodFrom","periodTo","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/mdbp-summaries.json","approxTokens":4310},{"name":"lead-and-copper","method":"GET","path":"/v1/water-systems/{pwsid}/lead-and-copper","answers":"Lead and copper 90th-percentile summaries","takes":["periodFrom","periodTo","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/lead-and-copper.json","approxTokens":5080},{"name":"samples","method":"GET","path":"/v1/water-systems/{pwsid}/samples","answers":"Chem/rad samples and their results","takes":["analyte","collectedFrom","collectedTo","labSampleNumber","collectedOn","samplingPoint","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/samples.json","approxTokens":7950},{"name":"analytes","method":"GET","path":"/v1/water-systems/{pwsid}/analytes","answers":"Analytes this system has been sampled for","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/analytes.json","approxTokens":3710},{"name":"coliform-samples","method":"GET","path":"/v1/water-systems/{pwsid}/coliform-samples","answers":"Coliform and microbial sample results","takes":["analyte","collectedFrom","collectedTo","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/coliform-samples.json","approxTokens":6680},{"name":"coliform-summaries","method":"GET","path":"/v1/water-systems/{pwsid}/coliform-summaries","answers":"Coliform sample summaries — served, and may be empty for every system","takes":["periodFrom","periodTo","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/coliform-summaries.json","approxTokens":4150},{"name":"facilities","method":"GET","path":"/v1/water-systems/{pwsid}/facilities","answers":"Facilities","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/facilities.json","approxTokens":3430},{"name":"facility","method":"GET","path":"/v1/water-systems/{pwsid}/facilities/{facilityId}","answers":"One facility","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/facility.json","approxTokens":4590},{"name":"sources","method":"GET","path":"/v1/water-systems/{pwsid}/sources","answers":"Water sources","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/sources.json","approxTokens":3390},{"name":"milestones","method":"GET","path":"/v1/water-systems/{pwsid}/milestones","answers":"Enforcement 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contact","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/contacts.json","approxTokens":4190},{"name":"service-connections","method":"GET","path":"/v1/water-systems/{pwsid}/service-connections","answers":"Service connections","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/service-connections.json","approxTokens":3420},{"name":"service-areas","method":"GET","path":"/v1/water-systems/{pwsid}/service-areas","answers":"Service areas","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/service-areas.json","approxTokens":3060},{"name":"purchases","method":"GET","path":"/v1/water-systems/{pwsid}/purchases","answers":"Water purchases","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/purchases.json","approxTokens":3280},{"name":"operating-periods","method":"GET","path":"/v1/water-systems/{pwsid}/operating-periods","answers":"Operating periods and population served","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/operating-periods.json","approxTokens":3220},{"name":"code-tables","method":"GET","path":"/v1/code-tables","answers":"List code domains","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/code-tables.json","approxTokens":2140},{"name":"code-table","method":"GET","path":"/v1/code-tables/{domain}","answers":"One code domain","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/code-table.json","approxTokens":3140},{"name":"analytes-all-systems","method":"GET","path":"/v1/analytes","answers":"Every analyte sampled for anywhere in the installation","takes":["collectedFrom","collectedTo","pwsid","name","county","fedType","source"],"url":"https://api.alpha.dww-next.mswater.us/openapi/analytes-all-systems.json","approxTokens":3430},{"name":"samples-all-systems","method":"GET","path":"/v1/samples","answers":"Chem/rad samples at every system in the installation","takes":["collectedFrom","collectedTo","pwsid","name","county","fedType","source","analyte","detectedOnly","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/samples-all-systems.json","approxTokens":4820},{"name":"coliform-samples-all-systems","method":"GET","path":"/v1/coliform-samples","answers":"Coliform (TCR) samples at every system in the installation","takes":["collectedFrom","collectedTo","pwsid","name","county","fedType","source","positiveOnly","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/coliform-samples-all-systems.json","approxTokens":4190},{"name":"coliform-summaries-all-systems","method":"GET","path":"/v1/coliform-summaries","answers":"Coliform sample summaries at every system, by monitoring period","takes":["periodFrom","periodTo","pwsid","name","county","fedType","source","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/coliform-summaries-all-systems.json","approxTokens":3840},{"name":"lead-and-copper-all-systems","method":"GET","path":"/v1/lead-and-copper","answers":"Lead and copper 90th-percentile summaries at every system","takes":["periodFrom","periodTo","pwsid","name","county","fedType","source","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/lead-and-copper-all-systems.json","approxTokens":4300},{"name":"mdbp-summaries-all-systems","method":"GET","path":"/v1/mdbp-summaries","answers":"Summarized field sample results (MDBP summaries) at every system","takes":["periodFrom","periodTo","pwsid","name","county","fedType","source","limit","offset"],"url":"https://api.alpha.dww-next.mswater.us/openapi/mdbp-summaries-all-systems.json","approxTokens":4760},{"name":"analyte-groups","method":"GET","path":"/v1/analyte-groups","answers":"Every analyte group the agency records","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/analyte-groups.json","approxTokens":2140},{"name":"analyte-group","method":"GET","path":"/v1/analyte-groups/{code}","answers":"The analytes in one analyte group","takes":[],"url":"https://api.alpha.dww-next.mswater.us/openapi/analyte-group.json","approxTokens":2340},{"name":"health","method":"GET","path":"/health","answers":"Liveness and configuration","takes":"any — ignored; front-door document","url":"https://api.alpha.dww-next.mswater.us/openapi/health.json","approxTokens":2360}]}