{"meta":{"source":{"agency":"Mississippi State Department of Health","system":"SDWIS/STATE"},"limits":"Regulatory records as the agency reports them. AN EMPTY RESULT MEANS NOTHING MATCHED THIS RESPONSE'S SCOPE, NOT THAT THE AGENCY HAS NO RECORD: many collections are narrowed by the agency's own filters; each says so in its `scope` or `reading`. A record type this API does not serve is not evidence the records do not exist, and some of what the agency publishes is not served here. Read those before reporting any of these as an absence of fact.","coverage":"https://api.alpha.dww-next.mswater.us/coverage","apiVersion":"1.0.0","humanUrl":"https://alpha.dww-next.mswater.us/water-systems/MS0410026"},"page":{"paginated":true,"total":0,"limit":50,"offset":0,"returned":0,"hasMore":false,"nextOffset":null,"prevOffset":null},"pwsid":"MS0410026","reading":"EVERY monitoring period on record — no date window applied. Accepted and Validated 90th-percentile summaries collected for compliance purposes — the same filtering the agency's own Lead and Copper page applies, with Preliminary and Rejected results excluded as they are there. Its page ALSO applies a two-year default that this does not, so the set it shows is smaller: see legacyDefault below. A value of zero is a recorded measurement, published as zero rather than as absent: it is the result at that rank, NOT a statement that nothing was detected in the period. This service publishes no action level and determines no compliance. `ninetiethPercentile` is the statistic the federal Lead and Copper Rule compares against an action level, but no limit, standard or threshold is published anywhere in this record, nothing here is compared to one, and no figure in it says whether this system met or missed one. If you compare one of these values against a limit you already hold, the limit came from you and not from this record: it cannot tell you which limit you used, when it was set, or whether it is still the current one, so name it as your own. What the agency DETERMINED is at /v1/water-systems/MS0410026/violations; exceedence milestones, where the agency records any, are at /v1/water-systems/MS0410026/milestones. A summary is not a sample: the individual lead and copper results are sample records at /v1/water-systems/MS0410026/samples, narrowed with ?analyte=1022 (COPPER, FREE) or ?analyte=1030 (LEAD) — the analytes that share each summary code's CAS registry number.","legacyDefault":{"note":"The agency's existing records pages show only monitoring periods beginning in the LAST TWO YEARS unless a wider date range is asked for. No such default is applied here: that window can exclude most of the records, so an empty result there is not evidence that a system has not been sampled. THE WINDOW IS A DEFAULT, NOT A LIMIT ON WHAT THOSE PAGES WILL SHOW — a wider date range returns more rows.","reproduceIt":"/v1/water-systems/MS0410026/lead-and-copper?periodFrom=2024-09-25"},"summaries":[],"dataQualityChecks":"no-check-defined"}